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April 20, 2014

Search: math/probability

Number of results: 220,847

Math
In an experiment, the probability of the event E is known to be .4. Also the probability of the event F is .8,and the probability of E∪F is 1. i) Compute the probability of these events: P(E∩F)= P(E-F)= ii) Suppose the experiment is run twice in succession. What ...
Thursday, April 21, 2011 at 6:55pm by Tracy

math probability
this is a probability question... Suppose you are asked to choose a whole number between 1 and 13 inclusive. (a) what is the probability that it is odd?...7/13 (b) What is the probability that it is even?...6/13 (c) what is the probability that it is a multiple of 3?...4/13 (d...
Thursday, December 18, 2008 at 12:22am by joe

math-probability
The Probability that Jodi makes a basket when playing basketball is .50, Jamalís probability is .80 and Patís is .75. What is the probability that all three make a basket?
Monday, November 30, 2009 at 6:55pm by GG

math
Each letter has a probability of 1/26 and the numeral has a 1/10 probability. Multiply the eight probabilities and the denominator of the product will be you answer for a. The probability for "math4you" is the above product. The probability for "math" = (1/26)^4. I hope this ...
Tuesday, February 26, 2008 at 4:03pm by PsyDAG

Math
The probability of a head on each toss = .5 or 1/2. The probability of getting a 4 is 1/6. The probability of all the events occurring is found by multiplying the probability of the individual events ó 2 coin tosses and one roll of the die. I hope this helps. Thanks for asking.
Wednesday, June 17, 2009 at 8:33pm by PsyDAG

Math Probability
If the probability that event A will happen is 1/4 and the probability of A not happening is 3/4, find the probability that event A happens 3 times out of 7 experiments
Monday, April 16, 2012 at 2:03pm by Antonio

Finite Math
An urn contains sixteen red balls and seventeen white balls. A sample of three balls is selected at random and the number of red balls observed. Determine the probability distribution for this experiment: Number of Red Balls/Probability 0...Probability=? 1...Probability=? 2......
Thursday, April 5, 2012 at 12:28am by Amanda

Probability
I will let a = 1/175,711,536= 5.591145*10^-9 , to save typing. The expected number, among 200,000,000, is L = 2*10^8 a = 1.13823 The probability of P(k) of k winners is given by Poisson statistics: P(k) = L^k*e^-L/k! Probability of 0 winners = 0.32039 Probability of 1 winner...
Tuesday, March 18, 2008 at 4:38am by drwls

math
Emily surmises that the probability tht she will pass math or chemistry is .95, the probability of her passing math is .7, and the probability of passing both is .55. Find her estimate of the probability of passing chemistry?
Tuesday, November 22, 2011 at 11:34pm by Sam

Probability Math
Event A has probability of 0.2 and event B has probability of 0.3. If they are independent, what is the probability that both of them happen? I can't remember how to do this one.
Sunday, September 29, 2013 at 4:48am by Alex

math
However, the probability of getting 5 (or any other number 1-6) on a die is 1/6. The either-or probability is found by adding the probability of individual events. The sum of both dice = 5 can be obtained by 1, 4 4, 1 2, 3 or 3, 2 The probability of getting any one of these ...
Saturday, April 25, 2009 at 9:28pm by PsyDAG

Math
10. A coin is loaded so that the probability of heads is 0.55 and the probability of tails is 0.45, Suppose the coin is tossed twice and the results of tosses are independent. a.What is the probability of obtaining exactly two heads? b.What is the probability of obtaining no ...
Sunday, March 2, 2014 at 3:45pm by Renee

math
a. probability=numberwaysright/total number ways=1/6 b. there are the following odd numbers: 1,3,5. There are six possible numbers probability=3/6=1/2 c. Less than five means not 5, or 6 probability=1-2/6 d. no greater than three means 1,2, or 3 probability=3ways/6possible=1/2
Thursday, May 30, 2013 at 11:13pm by bobpursley

math-Probability
In a certain manufacturing process the probability of a type I defect is 0.21, the probability of a type II defect is 0.31, and the probability of having both types of defects is 0.01. Find the probability of having neither type of defect.
Friday, March 16, 2012 at 11:59pm by Emma

statistics/probability
1. The probability that a student passes mathematics is 2/3 and the probability that he passes biology is 4/9. If the probability of passing one course is 4/5, what is the probability that he will pass both courses?
Saturday, October 23, 2010 at 5:30pm by Anonymous

Statistics
Q1. Suppose that in a sample of 200 students, 120 are taking an English course, 110 are take a Mathematics course, and 60 are taking both Math and English. Suppose a student is randomly selected from this sample. a. What is the probability that the student is not taking any ...
Tuesday, February 21, 2012 at 8:04pm by Mackenzi

Math
3 and 6 are multiples of 3. The probability the either one or the other events would occur is obtained by adding the probability of the individual events. Probability = 1/6 + 1/6 = 2/6 = 1/3 2, 4 and 6 are even numbers = 1/6 + 1/6 + 1/6 = 3/6 = 1/2 The probability that both/...
Saturday, June 13, 2009 at 12:20pm by PsyDAG

COLLEGE MATH
The probability of picking the first number correctly is 1/56, since zero is included. Since the numbers are not replaced, the probability of the second is 1/55, the third, 1/54 and so on. The probability of all events occurring is obtained by multiplying the individual ...
Wednesday, April 22, 2009 at 8:18pm by PsyDAG

statistics
The below table shows the probabilities generated by rolling one die 50 times and noting the up face. What is the probability of getting an odd up face? roll 1 Probability 0.22 roll2 probability 0.10 roll 3 probability 0.18 roll 4 probability 0.12 roll 5 probability 0.18 roll ...
Thursday, May 3, 2012 at 8:05pm by sc

Math
A spinner has numbers 1-16 on it. Probability of 6? 1/16 Probability not 6 15/16 Probability even number 8/16 Probability multiple of 3 5/16? Probability not a multiple of 3 11/16?
Wednesday, November 28, 2012 at 6:07pm by Jerald

math
probability of one 5 = 4/52 probability of two 5s = 4/52*3/51 probability of three 5s =4/52*3/51*2/50 probability of four 5s=4/52*3/51*2/50*1/49 so probability of at least one 5 = sum of all those subtract that from 1 to get the probability of none.
Thursday, July 29, 2010 at 12:24am by Damon

Math - Probability
A developer can buy a piece of property that will produce a profit of $16,000 with probability .7, or a loss of $9000 with probability .3. What is the expected profit?
Monday, December 7, 2009 at 3:07pm by Stephanie

Math:Probability
The probability of having homework over the weekend in math is 0.9,history is 0.6, and Spanish is 0.75. 1. What is the probability of having exactly one class that gives homework? Is this a nCx problem? I got an illogical answer: 10.54=1054% THIS IS NOT RIGHT!!!!!!! 2. What is...
Friday, February 28, 2014 at 7:44pm by Anonymous

math
The Probability that Jodi makes a basket when playing basketball is .50, Jamalís probability is .80 and Patís is .75. What is the probability that all three make a basket?
Wednesday, November 18, 2009 at 3:23pm by Kylie Castaneda

math
The Probability that Jodi makes a basket when playing basketball is .50, Jamalís probability is .80 and Patís is .75. What is the probability that all three make a basket?
Wednesday, November 18, 2009 at 4:10pm by CLA

math
200/400 = probability of finding rusted object. 100/400 = probability of choosing a bolt Either-or probability found by adding individual probabilities.
Tuesday, October 5, 2010 at 12:26am by PsyDAG

Math-Probability
Hello, I'm trying to figure out this probability problem. Can anyone help walk me through? Thank you so much!! A box contains 10 green, 2 red, 7 yellow, and 6 blue marbles. Four marbles are drawn from the box without replacement. a) What is the probability that all four ...
Friday, August 7, 2009 at 2:42pm by Marie

statistics
if n units are independent and the probability of each being up is 2/3 then the probability of all n being up is (2/3)^n HOWEVER I can not see your flow chart and therefore can not evaluate parallel paths if there are two ways to get from A to B and the probability of failure ...
Monday, February 17, 2014 at 8:34pm by Damon

math-algebra
This answer was scored wrong, but I do not know why. If someone would kindly show me the error, I would appreciate it. First choice probability: 5/20 Second choice probability: 6/19 Third choice probability: 9/18 Total Probability: (5/20)(5/19(9/18)=3/76 This answer is not ...
Wednesday, September 26, 2007 at 12:59am by Fred

math-binomial prob
Use the binomial theorem to get the possibility of 0,1,2,3,4 and 5 correct. For zero correct, the probability is just (3/4)^5 = 0.2373. 3/4 is the probability of getting each one wrong. For five correct, the probability is (1/4)^5 = 0.0001 For one correct, (one success and 4 ...
Friday, December 14, 2007 at 12:44pm by drwls

Math Probability
"at random" means all choices have equal probability. Sample space = 20+13+6=39 There are 13 democrates and 6 independents for a total of 19. What is the probability?
Monday, April 16, 2012 at 3:54pm by MathMate

MATH
p=probability of voting q=(1-p)=probability of not voting. Out of 5 adults randomly selected, the probability that exactly 2 voted is calculated according to the binomial expansion, C(5,2)p^2q^3 =(5!/(2!3!))*0.57^2*0.43^3 =0.258 (approx.)
Sunday, May 13, 2012 at 6:58pm by MathMate

math
Suppose the probability that a construction company will be awarded certain contract is .25, the probability that it will be awarded a second contract is .21, and the probability that it will get both contracts is .13. What is the probability that the company will win at least...
Friday, October 19, 2007 at 9:07pm by crissy

Economics/Math
1. Assume that q and z are two random variables that are perfectly positively correlated. q takes the value of 20 with probability 0.5 and the value of zero with probability 0.5, while z takes the value of 10 with probability 0.5 and the value of zero with probability 0.5. ...
Saturday, December 5, 2009 at 6:39am by Susan

MATH Prob.
Assuming no replacement, the probability of a diamond is 1/13. Once that is drawn, the probability of a black 10 (spade or club) or a black 7 each is 2/51 (since one card is already drawn). The "either-or" probability is obtained by adding the individual probabilities, while ...
Saturday, August 8, 2009 at 1:40pm by PsyDAG

MATH
IF THE PROBABILITY OF A IS 3/5.AND PROBABILITY OF A INTERSECTION B IS 3/10.WHAT IS THE PROBABILITY OF B?
Saturday, December 15, 2012 at 4:51pm by Anonymous

Math
0.98^7 is the probability that none of them are unlicenced. So, 1 minus this probability is the probability that one or more are unlicenced.
Wednesday, March 25, 2009 at 9:29pm by Count Iblis

math-probability
A student claims that if a fair coin is tossed and comes up heads 5 times in a row, then, according to the law of averages, the probability of tails on the next toss is greater than the probability of heads. What is your reply?
Monday, April 19, 2010 at 1:35pm by jennifer

Math
Probability of a 4 is 1/6, while a probability of a non-4 = 5/6. If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. 1/6 * 5/6 * 5/6 = ?
Friday, November 1, 2013 at 8:50pm by PsyDAG

algebra 2
What you are being asked is what is the probability of getting 3 and 5 or two 4s on the next roll. On the second problem, the probability of getting a 3 is 1/6 and "anything else" is 1. With the information below, you should be able to calculate the probability of a pair of 3s...
Tuesday, March 10, 2009 at 9:40am by PsyDAG

elementry math
I'm not sure what you mean by sample space. However, the probability of a gold ball is 2/5 and the probability of a black ball is 3/5. The probability of two or more events both occurring is found by multiplying the individual probabilities. They don't total 1, because they ...
Sunday, January 10, 2010 at 12:32am by PsyDAG

Math: Probability
I need help. Here's the queston. Julia has 3 red marbles, 4 blues,3 yellow and 6 black in a bag. She takes one out at random. The probability its black ___ The probability its yellow ___ The probability it isnt red ___
Saturday, February 28, 2009 at 7:19pm by Mark

Math
Without replacement, the probability of drawing the nickel is 3/10, the dime is 2/9 and the quarter is 5/8. Mulitply the probability of the three events to get the probability that all would occur. Each probability is dependent on the previous event. With replacement, the same...
Thursday, December 13, 2007 at 8:45am by PsyDAG

math
a single die is rolled onece. what is the probability of getting an even? what is the probability of getting a number less than 2? what is the probability of getting a 9?
Sunday, February 6, 2011 at 6:52pm by tony

Math/Prob
We will have to assume the ESP estimation is correct. The resulting distribution is binomial, with 5 questions, and probability of success p=1-0.6=0.4, q=1-p=0.6 (failure). The probability of getting exactly n question correct (out of 5) is given by the binomial coefficient C(...
Wednesday, May 23, 2012 at 3:08pm by MathMate

math
If you take 7 minus the result of a dice throw, then that's another valid dice throw. So, for two dice throws, the probability that the sum is greater than 8, is the same as the probability of 14 minus the sum being larger than 8, which is the same as the probability of the ...
Saturday, April 25, 2009 at 2:42pm by Count Iblis

Math
Thanks! T___T another question (Last one I promise, lol) The probability of a household subscribing to The Economist is 0.4 while the probability of subscribing to National Geographic is 0.6, and the probability of subscribing to NEITHER magazine is 0.2. What is the ...
Sunday, March 6, 2011 at 6:08pm by Jacob

Help Math
Events A and B are mutually exclusive. The probability of event A occurring is0.15; the probability of event B occurring is 0.45; what is the probability that A and B will occur? A.0.30 B.0.60 C.1 D.0.40 I think C am I correct?
Sunday, December 30, 2012 at 7:24pm by Chrissy

math
one minus this probability is the probability that everyone has a different birthday. The first selected person has a certian birthday, the second person has a probability of 364/365 of havng a different birthday, the third person has a probability of 363/365, etc. Multiply ...
Friday, September 28, 2007 at 12:15am by Count Iblis

math
The probability of all events occurring is found by multiplying the probability of the individual events. You have the probability of 1/2 for 5 events.
Friday, November 6, 2009 at 5:12pm by PsyDAG

math
Carolyn tested a coin to see if it was evenly weighted. She flipped the coin 100 times and came up with 42 heads and 58 tails. How does the relative frequency of tails to heads compare to the probability of tails in this experiment? A. The relative frequency is the same as the...
Saturday, June 8, 2013 at 7:59pm by bubbie

Math (probability)
Conditional probability. P=pool G=garage Probability of a home having a pool given that it has a garage is P(P|G)=P(P∩G)/P(G) =11%/50% =22%
Saturday, July 27, 2013 at 3:31pm by MathMate

Probability
4.3. In a certain college town, 27.5 percent of the students failed Mathematics (Math), 19.8 percent failed Biology (Bio), and 11 percent failed both Math and Bio. A student is selected at random. Let A represent the event of failing Math, so that A' is the probability of ...
Sunday, September 2, 2012 at 11:32pm by Carla Lopez

probability
ok but how do i find the final probability? i see how i can get the probability of a certain combination, but i don't understand how i can find that end probability.
Sunday, February 28, 2010 at 1:55pm by Ryan!

Math
This means that you cannot choose the 1. You can compute the probability using different methods. In this case there is a very simple method. To randomly choose 3 numbers you can put the 4 numbers in some random order and then choose the last 3. The probability that the 1 won'...
Saturday, May 2, 2009 at 2:57pm by Count Iblis

math
can you help me find the probability to the question? A spinner like the one shown is ued in a game. Determine the probability of each outcome if the spinner is equally likely to land on each section. Express each probability as a fraction and as a percent. Spinner has #s 1-16...
Tuesday, December 2, 2008 at 4:37pm by gaby

Math
Since the first number cannot be 0 or 1, you have 1/8 probability of getting a 9. The probability of the last number being 0 is 1/10. The probability of two or more events all occurring is found by multiplying the individual probabilities. I hope this helps you to understand ...
Sunday, May 3, 2009 at 8:34pm by PsyDAG

math,probability
Hi, I don't understand a homework question, can anyone please help me? I'm bad at probability. what is the probability that when you pick two cards, you will select at least one king out of two in a deck of six standard cards? (assuming there are no jokers)
Saturday, February 2, 2013 at 1:32pm by Samantha

Math-Probability
Consider a collection of biased coins, each showing Heads with probability and Tails with probability , independently of the others. The coins are tossed and all coins showing Heads are collected together and tossed again. Write down an expression for the probability mass ...
Sunday, January 22, 2012 at 4:45am by sand

Math-Probability
Consider a collection of n biased coins, each showing Heads with probability p and Tails with probability 1-p , independently of the others. The coins are tossed and all coins showing Heads are collected together and tossed again. Write down an expression for the probability ...
Sunday, January 22, 2012 at 4:45am by sand

Math-Probability
Consider a collection of n biased coins, each showing Heads with probability p and Tails with probability 1-p , independently of the others. The coins are tossed and all coins showing Heads are collected together and tossed again. Write down an expression for the probability ...
Sunday, January 22, 2012 at 11:59pm by sand

Math-Probability
Consider a collection of n biased coins, each showing Heads with probability p and Tails with probability 1-p , independently of the others. The coins are tossed and all coins showing Heads are collected together and tossed again. Write down an expression for the probability ...
Tuesday, January 24, 2012 at 1:15am by sand

MATH
An engineering consultant bids on jobs where he can make $10000 profit. If in a certain month, he has a 20% probability of getting a contract, 30% probability of getting 2 contracts, 40% probability of getting 3 contracts, and 10% probability of getting 4 contracts, what is ...
Wednesday, April 3, 2013 at 3:50pm by Dominika

Math
Every time Mr. Cold born throws a ball of paper in the garbage can, the probability the ball goes in the cans is 3/4. What is the probability he misses 2 times in a row? Please show all work. Please help I don't understand probability
Tuesday, April 9, 2013 at 2:20pm by Cherie

math
The probability of getting an ace is 4/52 and getting the ace of spades is 1/52, the probability of the second ace for both is 3/51. The probability of both or all events occurring (having 2 aces) is found by multiplying the probability of the individual events. I hope this ...
Monday, February 11, 2008 at 6:12pm by PsyDAG

Math
Are these two different questions? anyway there are 12 socks probability of black = 6/12 probability of green = 2/12 probability black or green = 8/12 =2/3 probability that the sock is not black = 1 - probability of black = 1 -6/12 = 6/12 = 0.5
Sunday, January 31, 2010 at 6:02pm by Damon

probability
One chip drawn would have to be 5 and that probability is 1/8. The probability that a second drawn chip is not larger than 5 is 4/7. The probability of the third chip not being larger than 5 is 3/6, or 1/2. This is true regardless of the order they are drawn. Total probability...
Friday, June 24, 2011 at 6:15pm by drwls

math-probability
I have to do a math project using probability. I thought I might use Go Fish cards but I am not what kind of questions to ask can you help please?
Saturday, February 25, 2012 at 10:31pm by christy

Math
Which probability interpretation is most reasonable to use: relative frequency, subjective, or classical? The probability your company's sales will exceed seven million dollars this year. Is this relative frequency? The probability that the S&P will increase or decrease by at ...
Saturday, November 19, 2011 at 4:44pm by Morris

Math
Which probability interpretation is most reasonable to use: relative frequency, subjective, or classical? The probability your company's sales will exceed seven million dollars this year. Is this relative frequency? The probability that the S&P will increase or decrease by at ...
Saturday, November 19, 2011 at 8:26pm by Stacy

College Finite Math
Add the probabilities of 6, 7 and 8 correct answers. The probability of getting all 8 right is (1/2)^8 = 1/256 The probability of getting 6 right is (1/2)^8*8!/[6!*2!] = 56/[256*2] = 28/256 The probability of getting 7 right is (1/2)^8*8!/[7!*1!]= 8/256 The total probability ...
Thursday, April 9, 2009 at 11:41pm by drwls

Math - Statistics
I roll 12 4-sided dice. What is the probability that I roll at least one 2? What is the probability that I roll exactly three 2s? So i take it, on any give roll, the probability of rolling a 2 is .25 (25%); the probability of rolling something else must be .75 The probability ...
Thursday, March 29, 2007 at 2:39pm by Lauren

math
Probability: The study of probability helps us figure out the likelihood of something happening. For instance, when you roll a dice, you might ask how likely you are to roll a 4.Since there are 6 numbers on a dice and only 1 number 4 the probability would be 1 out of 6. The ...
Monday, October 15, 2007 at 5:27pm by Gina

math
probability of youngest ref = 1/6 probability of NOT youngest linesman picked first = 4/5 then probability of NOT youngest linesman chosen second = 3/4 product of those = 4/5*3/4 = 3/5 so probability of youngest linesman chosen = 1-3/5 = 2/5 1/6*2/5 = 1/15
Thursday, July 29, 2010 at 12:21am by Damon

Statistical Methods
To get the probability that all events would occur, you need to multiply the probability of each of the individual events. The probablitiy of no rainy days is .8^15. The probability of one rainy day is .2 * .8^14. The probability of two rainy days is .2^2 * .8^13. The ...
Tuesday, March 11, 2008 at 11:31pm by PsyDAG

math
Records from buzz's sawmill show that workers have a 0.02 probability of losing an arm and a 0.03 probability of losing a leg in a year. What is the probability that a worker does not lose an arm? What is the probability that worker does not lose and arm or leg?
Friday, May 18, 2012 at 10:40am by Matt

discrete probability distribution (help please!)
Add the probabilities that 0, 1, 2 or 3 components have failed. That sum will be the probability that the machine works. The probability that none have failed is P(0) = 0.8^7 = 0.210 The probability that one part has failed is P(1) = 0.8^6*0.2*7 = 0.367 The probability that ...
Monday, April 12, 2010 at 9:52pm by drwls

probability
Another way to compute this is by counting the number of ways you can make the three numbers diffrent. If you choose X first, then you have 6 choices for X. If Y is next then there are 5 choices for Y lft and 4 for Z. So, there are 6*5*4 possibilities. The probablity of any ...
Tuesday, November 20, 2007 at 2:36am by Count Iblis

statistics
At a certain college, 15% of the students received an A in their required math course, 10% receieved an A in their required chemistry course, and 5% received an A in both. A student is selected at random. a.) What is the probability that he received an A in either chemistry or...
Saturday, October 3, 2009 at 8:59am by Sharon

Math
At a quality control checkpoint on a manufacturing assembly line, 8% of the items failed check A, 10% failed check B, and 2% failed both checks A and B. a. If a product failed check A, what is the probability that it also failed check B? b. If a product failed check B, what is...
Friday, November 6, 2009 at 9:00pm by Anna

Math
At a quality control checkpoint on a manufacturing assembly line, 8% of the items failed check A, 10% failed check B, and 2% failed both checks A and B. a. If a product failed check A, what is the probability that it also failed check B? b. If a product failed check B, what is...
Friday, November 6, 2009 at 9:21pm by Anna

Math
At a quality control checkpoint on a manufacturing assembly line, 8% of the items failed check A, 10% failed check B, and 2% failed both checks A and B. a. If a product failed check A, what is the probability that it also failed check B? b. If a product failed check B, what is...
Friday, November 6, 2009 at 9:25pm by Anna

math/probability
For some reason I can not get my head around probability. Please show me how to work the problem not just the answers. A class has 11 students who are to be assigned seating by lot. What is the probability that the students will be arranged in order from shortest to tallest? (...
Saturday, July 24, 2010 at 10:11am by Jaime

math
In a game, a player tosses a coin 4 times. If the player gets 3 or 4 heads, he/she wins. What is the theoretical probability of winning this game? I just need to know the outcomes. I don't know how to get them. Please and Thank you. Coin 1: 50% Heads Coin 2: 50% Heads Coin 3: ...
Wednesday, May 30, 2007 at 6:18pm by Angela

Probability
On a single toss of a pair of dice, the probability of getting a seven are 1/6. For three consecutive tosses of 7, the probability is (1/6)^3 = 1/216
Sunday, February 20, 2011 at 11:11pm by drwls

math probability
I assume you mean that it is a fair spinner (i.e. it stops at any position with equal probability) but the sectors of the spinner are of different sizes. In this case, the probability of it stopping on "a" is the sector angle of a (in degrees) divided by 360. If it is not a ...
Monday, May 7, 2012 at 11:57pm by MathMate

statistics
For any married couple who are members of a squash club, the probability that the husband has a degree is 2/4 and the probability that the wife has a degree is 1/4. The probability that the husband has a degree given that his wife has a degree is 3/9. A married couple is ...
Saturday, December 3, 2011 at 8:23pm by Nabiha

Intro to Probability
For firm 1 Probability of getting contract a only = probability of getting a - probability of getting both = 1/3 - 1/9 = 2/9 Probability of getting contract b only = 2/9 Probability of getting a and b both = 1/9 so E($) = (4/9)90 k + (1/9) 180 k = 40 + 20 = $60 K
Saturday, February 23, 2008 at 7:14pm by Damon

12th grade
one type of probability used everyday is: a)experienced probability b)scientific probability c)frequency of occurence d)none of the above
Wednesday, December 15, 2010 at 9:20pm by david

probability
The probability that a bus will arrive late at the civic center is. 35, and the probability that it will be on time or early in. 60. Explain why the statement is incorrect.
Sunday, December 12, 2010 at 11:04am by Sherice

statistics
At a certain college, 15% of the students received an A in their required math course, 10% received an A in their required Chemistry course, 5% received an A in both. A student is selected at random. a.) What is the probability tha he receieved an A in either Chemistry or Math...
Friday, October 2, 2009 at 6:48pm by Sharon

math
The probability of getting both (or all) events is obtained by multiplying the probability of the individual events. The probability of getting a vowel one time is 42/100 = .42 I hope this helps. Thanks for asking.
Monday, April 20, 2009 at 7:04pm by PsyDAG

math
When a problem requires "at least one", it is often easier to find the probability of getting none and subtracting the probability from 1 (complement). Here, probability of not getting a king at a draw is 48/52, or 12/13. Probability of getting no king at 4 consecutive draws (...
Friday, June 14, 2013 at 5:44am by MathMate

Math Probability
What is the probability that a student applied to THREE OR MORE colleges? with the chart Num. Applied Probability 1 .17 2 or less .29 3 or less .43 4 or less .59 20 or less 1
Thursday, February 9, 2012 at 4:34pm by Matt

math
A factory needs two raw materials, say, A and B. The probability of having an adequate supply of material A is 0.94, whereas the probability of having an adequate supply of material B is 0.96. A study shows that the probability of a shortage of both A and B is 0.02. What is ...
Friday, April 15, 2011 at 2:30am by Fakaapo. Suetusi

math
A factory needs two raw materials, say, A and B. The probability of having an adequate supply of material A is 0.94, whereas the probability of having an adequate supply of material B is 0.96. A study shows that the probability of a shortage of both A and B is 0.02. What is ...
Monday, April 18, 2011 at 5:21am by Fakaapo

college math
The probability of getting any one true-false item correct by chance = 1/2 = .5. To get the probability of all events occurring, you need to multiply the probability of the individual events. four items = .5^4 10 items = .5^10
Wednesday, November 18, 2009 at 11:20pm by PsyDAG

Math
Alberto figures that the probability of his hockey team winning on saturday is 65%. Alvin figures that the probability of his basketball team winning on saturday is 70%. Assume that the events are independent and that the boys estimates of the probability are accurate A. Find ...
Thursday, March 8, 2012 at 5:34pm by Mik

Probability Math
The probability of a red candy being selected from a bowl is 0.2, and the probability of a pink frosted animal cookie being taken out of a different bowl is 0.4. What is the probability of getting both a red candy and a pink cookie?
Friday, September 27, 2013 at 4:57pm by Alex

MATH
An engineering consultant bids on jobs where he can make $10000 profit. If in a certain month, he has a 20% probability of getting a contract, 30% probability of getting 2 contracts, 40% probability of getting 3 contracts, and 10% probability of getting 4 contracts, what is ...
Wednesday, April 3, 2013 at 10:02pm by Oliwia

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