# Probabilities

607 results

### 7th Grade Math stuffs

Compare probabilities of independent and probabilities of dependent events. Any examples???

### Math

Can someone please help me. A single card is selected from a standard 52-card deck. B= the drawn card is black; R= the drawn card is red; Q= the drawn card is a queen; F= the drawn card is a face card ( a king, queen or jack). Without finding the probabilities, determine if B ...

### Probability

Can someone please help me. A single card is selected from a standard 52-card deck. B= the drawn card is black; R= the drawn card is red; Q= the drawn card is a queen; F= the drawn card is a face card ( a king, queen or jack). Without finding the probabilities, determine if B ...

### Probability

Can someone please help me. A single card is selected from a standard 52-card deck. B= the drawn card is black; R= the drawn card is red; Q= the drawn card is a queen; F= the drawn card is a face card ( a king, queen or jack). Without finding the probabilities, determine if B ...

### Help with Calculating Probabilities

Anon: Do you know how to calculate probabilities like P10, P20, P30...? I do not understand lot of this statistics stuff and desperately need help. Thanks

### Stats

If there are only two possible outcomes to an experiment then... A.) the two corresponding probabilities must each be.50. B.) the two corresponding probabilities could be any numbers between 0 and 1, but must add up to 1. C.) the two corresponding probabilities could each be ...

### statistics

A professional gambler claims that he has loaded a die so that the outcomes of 1,2,3,4,5,6 have corrresponding probabilities of 0.1, 0.2, 0.3, 0.4, 0.5, and 0.6. Can he actually do what he has claimed? Is a probablility distrubion described by listening the outcomes along with...

### math

A single card is selected from an ordinary deck of cards. The sample space is shown in the figure below. Find the probabilities. (Enter the probabilities as fractions.) (a) P(two of diamonds) 1 (b) P(two) 2 (c) P(diamond) 3

### math probablity- Respond as soon as possible

Assume a family is planning to have three children. 1. Why do probabilities centered around this scenario represent the same probabilities as those for flipping three coins

### Statistics

Suppose you conduct a study and find that the probability of having a baby boy is 60%. Now suppose three of your relatives are going to have babies. a) Build a tree diagram showing all the conditional probabilities and joint probabilities associated with the sex of the three ...

### Statistics

Suppose you conduct a study and find that the probability of having a baby boy is 60%. Now suppose three of your relatives are going to have babies. a) Build a tree diagram showing all the conditional probabilities and joint probabilities associated with the sex of the three ...

### Algebra, Need help with last part.Thank you

A single card is selected from an ordinary deck of cards. The sample space is shown in the figure below. Find the probabilities. (Enter the probabilities as fractions.) P (two of hearts0 I got 1/52 correct P ( two)I got 4/52 correct P (heart)I am not sure.

### Statistics-Matrix of Transition Probabilities

Given the following matrix of transition probabilities, write three equations that, when solved, will give the equilibrium state values. P = large bracket with a b on top and c d directly under that, closed large bracket. Thanks.

### statistics and probabilities

Suppose you will be taking exams in English, statistics and chemistry tomorrow and from past experience you know that for each exam you have a 50% chance of receiving an A. List all the possibilities for receiving A's on various exams. Letting X represents the number of A's ...

### math

you roll a number cube. what are the odds in favor of rolling a 1 or a 5?thanks. There are 6 sides of a cube. You want one of 2 numbers to show up. So it's 2/6 chance....or 1/3 Matt I assume that you are talking about a die (Singular for "dice"), it has a total of 6 sides. ...

### harvard

6. For Design 3, consider the probability of a random individual in South Dorchester being sampled; and the probability of a random individual in Harbor Islands being sampled. These probabilities are approximately the same as the probabilities calculated using:

### probabilities

A brand name has 50% recognition rate. Assume the owner of the brand wants to verify that rate by beginning with a small sample of 6 randomly selected consumers. How would you do the binomial probability formula can be used to find the simple binomial probabilities for n = 6 ...

### Statistics

Suppose that in the city in which the survey is conducted, 50% of adults are married, 15% are single, 25% are divorced, and 10% are widowed. a. Assign probabilities to each simple event in the sample space. b. Which approach did you use in part (a)? Find the probabilities of ...

### Probablity

Having a hard time with this question: Help Please This is a multi-stage experiment. There are 7 colored cubes in a bag. The colors are purple, blue, red, orange, white, yellow, and green. This is a multi-stage experiment with dependent events. Determine the probabilities of ...

### Probablity

Having a hard time with this question: Help Please With Replacement: This is a multi-stage experiment. There are 7 colored cubes in a bag. The colors are purple, blue, red, orange, white, yellow, and green. This is a multi-stage experiment with dependent events. Determine the ...

### Mathematics

Please help... In a 200 m swimming race between 8 boys, the probability of Omar winning the race if he is in one of the two outside lanes is 1/4. If he is in any of the other lanes, the probability of Omar winning is 1/3. If the lanes are drawn at random, what is the overall ...

### math

a city is served by two newspapers-the Tribune and the Daily News. Each Sunday a reader purchases one of the newspapers at a stand. The following transition matrix contains the probabilities of a customers buying a particular newspaper in a week given the newspaper purchased ...

### math

Three boxes, labeled A,.B. C, contain 1 red and 2 black balls, 2 red and 1 black balls, and 1 red and 1 black ball, respectively. Compute the terminal probabilities by using the multiplication technique. Then add the terminal probabilities for all the outcomes in which the ...

### Algebra 2

Okay so for the question I'm posting has a pic with it but idk how I can attach it so you guys can see it because I know you'll need it to help me out cause I've been stuck on this question for awhile so please any kind of help would be great(: Which statements explain that ...

### Algebra 2

Okay so for the question I'm posting has a pic with it but idk how I can attach it so you guys can see it because I know you'll need it to help me out cause I've been stuck on this question for awhile so please any kind of help would be great(: Which statements explain that ...

### Probability

There are three investment plans for your consideration. Each plan calls for an investment of $25,000 and the return will be one year later. Plan A will return $27,500. Plan B will return $27,000 or $28,000 with probabilities of 0.4 and 0.6, respectively. Plan C will return $...

### Statistics

A roster contains the names of 12 students from the School of Math, Science and Engineering (MSE) and 8 students from the Dreeben School of Education (DSE). Determine the probabilities of randomly selecting the following if the selection is done without replacement: A) An MSE ...

### accounting

A city is served by two newspapers—the Tribune and the Daily News. Each Sunday reader purchases one of the newspapers at a stand. The following transition matrix contains the probabilities of a customer’s buying a particular newspaper in a week, given the newspaper ...

### accounting

A city is served by two newspapers—the Tribune and the Daily News. Each Sunday reader purchases one of the newspapers at a stand. The following transition matrix contains the probabilities of a customer’s buying a particular newspaper in a week, given the newspaper ...

### probabilities

z < .05=

### Math

Jen figures she has a 70% chance of passing math and an 80% chance of passing history a) What is the probability that she passes math and history? What assumption did you have to make to answer this question? b) What is the probability that she will pass one but not both? Note...

### Math

A license plate is to consist of two letters followed by three digits. How many different license plates are possible if the first letter must be a vowel, and repetition of letters is not permitted, but repetition of digits is permitted? For the first letter, how many vowels ...

### Algebra help

Find the requested probabilities. P(B) if P(B)=1/5

### math

Find the requested probabilities. P(B) = 1/5

### probability

Let Y=X2. Calculate the following probabilities: P(Y=0)= P(Y=1)= P(Y=2)=

### Statistics

In the following problem, check that it is appropriate to use the normal approximation to the binomial. Then use the normal distribution to estimate the requested probabilities. Ocean fishing for billfish is very popular in the Cozumel region of Mexico. In the Cozumel region ...

### probabilities

What is the probability of obtaining tails or a five

### statistics

How can the concept of probabilities be used in the nursing profession?

### Statistics

Normal probabilities. 11% of all observations are less than z

### statistics

Identify why this assigbment if probabilities cannot be legitimite: P(A)=0.4, P(B)=0.3, P(AandB)= 0.5

### Math

Using Normal Tables, Find The Probabilities Of P( -1.50 < Z < 2.50)

### Statistics

Sorry but I don't know how to do this problem. Can someone please help me? In the following problem, check that it is appropriate to use the normal approximation to the binomial. Then use the normal distribution to estimate the requested probabilities. Ocean fishing for ...

### math

If A and B are independent events, P(A) = 0.35, and P(B) = 0.55, find the probabilities a) P(A intersected B) b) P(A united B)

### statistics

11. All probabilities can be expressed as decimal values ranging from 0 to 1.00.

### math

This exercise is about conditional probability. A jar contains five red balls numbered 1 to 5, and six green balls numbered 1 to 6. A ball is drawn at random from the jar. Find the following conditional probabilities. (Enter your probabilities as fractions.) (a) The ball is ...

### statitics

Evaluate these binomial probabilities a. C82 (.2)2 (.8)6 b. C81 (.2)1 (.8)7 c. C80 (.2)0 (.8)8 d. P(X ≤ 1), when n = 8, p = 0.2

### Probability

Let A and B be events in a sample space S such that P(A) = 0.6, P(B) = 0.4, and P(A B) = 0.27. Find the probabilities below P(A|B)

### ALGEBRA

Find the requested probabilities. $$ P(\overline{A}) \ \text{if} \ P(A) = {\color{red}0.9} $$ P(A) =

### Math

Vocab __?__ events, or __?__ __?__ events are events that have no outcomes in common. __?__ events are events that have one or more outcomes in common. For two __?__ events, the probability that either of the events occurs is the sum of the probabilities of the events. For two...

### math

One problem encountered by developers of the space shuttle program is air pollution in the area surronding the launch site. Acertain direction from the launch site is considered critical in terms of hydrogen chloride pollution from the exhaust cloud. It has been determined ...

### posibility

One problem encountered by developers of the space shuttle program is air pollution in the area surronding the launch site. Acertain direction from the launch site is considered critical in terms of hydrogen chloride pollution from the exhaust cloud. It has been determined ...

### math

One problem encountered by developers of the space shuttle program is air pollution in the area surronding the launch site. Acertain direction from the launch site is considered critical in terms of hydrogen chloride pollution from the exhaust cloud. It has been determined ...

### math

One problem encountered by developers of the space shuttle program is air pollution in the area surronding the launch site. Acertain direction from the launch site is considered critical in terms of hydrogen chloride pollution from the exhaust cloud. It has been determined ...

### Statistics

5.22) A survey of employees at a large company found the following relative frequencies for the one-way distances they had to travel to arrive at work: Number of Miles (One-way) A B C D E F ¡Ü5 6-10 11-15 16-20 21-30 ¡Ý31 Relative Frequency 0.38 0.25 0.16 0.09 0.07 0.05 a...

### statistics

Which of the following numbers could not possibly be probabilities? justify your answer a)0.124 b)1 c)-0.1142 d)0 e)2/7 f)6/5 g)2.8

### Probabilities

There are 10 contestants in a scrabble tournament. The number of ways in which the 3 finalists can be chosen is closest to?

### statistics

if 20% of the people in a community use the library in one year, find these probabilities

### Finite Math

Let A,B be events in a sample space. you are given the following probabilities: P(A)=0.8, P(B|A)=0.3, P(B|A^c)=0.8 Find: 1) P(B) 2) P(A|B) 3) P(A^c|B^c)

### business statistics

Assume that X is a binomial random variable with n = 5 and p = 0.35. Calculate the following probabilities?

### Math/230

A 350 word response how to compute probabilities using z score

### Statistics

True or False All probabilities can be expressed as decimal values ranging from 0 to 1.00.

### Determining Probabilities

If a spinner has 10 equal-sized sections, which of the following will be false? P(1) = 10% P(not 1) = 10% P(2) = 10% P(not odd) = 50%

### math

The plan for a new housing development call for the construction of a large number of residential homes.A marketing expert tells the owner that because of the poor location of development,20 of the houses which are sold will be sold at a loss.A financial consultant asserts 10...

### Statistics

A loaded die is tossed. Which of the following assignments could be made for the probabilities of each simple outcome. P(1) = .2 P(2) = .2 P(3) = .2 P(4) = .1 P(5) = .1 P(6) = .1 P(1) = .2 P(2) = .3 P(3) = .1 P(4) = .1 P(5) = .1 P(6) = .0 P(1) = .1 P(2) = .1 P(3) = .1 P(4) = ....

### statistics

Given that z is a standard normal random variable, compute the following probabilities (to 4 decimals). P(z -1.0) P(z -1.0) P(z -1.5) P(z -2.5) P(-3 < z 0)

### statistics

Given that z is a standard normal random variable, compute the following probabilities (to 4 decimals). P(z -1.0) P(z -1.0) P(z -1.5) P(z -2.5) P(-3 < z 0)

### statistics

Given that z is a standard normal random variable, compute the following probabilities (to 4 decimals). P(z -1.0) P(z -1.0) P(z -1.5) P(z -2.5) P(-3 < z 0)

### statistics

3coins are tossed calculate the followin probabilities p(3heads) p(2heads and 1 tail) p(3 tails)

### Math!!!

Suppose Y is a continuous variable whose density gives the following probabilities: Pr{ Y < -3 } = 0.05 Pr{ -3 < Y < -1 } = 0.15 Pr{ -1 < Y < 0 } = 0.3 Pr{ 0 < Y < 1 } = 0.3 Pr{ 1 < Y < 3 } = 0.15 Pr{ Y > 3 } = 0.05 Compute Pr{ Y > 0 } = ???? ...

### math (Pls help me out)

The plan for a new housing development call for the construction of a large number of residential homes.A marketing expert tells the owner that because of the poor location of development,20 of the houses which are sold will be sold at a loss.A financial consultant asserts 10...

### 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: ...

### posibility

One problem encountered by developers of the space shuttle program is air pollution in the area surronding the launch site. Acertain direction from the launch site is considered critical in terms of hydrogen chloride pollution from the exhaust cloud. It has been determined ...

### math

One problem encountered by developers of the space shuttle program is air pollution in the area surronding the launch site. Acertain direction from the launch site is considered critical in terms of hydrogen chloride pollution from the exhaust cloud. It has been determined ...

### math

Could someone please describe two main differences between classical and empirical probabilities.

### Physics

Can someone explain why electrons cannot exist in orbitals and why we need to describe their location in terms of probabilities.

### Quantitative Analysis for business

Key considerations as Allied develops its strategy for disposing of the case are the probabilities associated with John’s response to an Allied counteroffer of $400,000 and the probabilities associated with the three possible trial outcomes. John will accept a counteroffer ...

### Statistics

True or False Probabilities may take on negative values only when the events are occurring less than 50% of the time.

### Statistics

True or False Probabilities may take on negative values only when the events are occurring less than 50% of the time.

### math

Assume that your sample space is S = {O1, O2, O3, O4, O5, O6 } with associated weights (probabilities) w1 = 0.15, w2 = 0.25, w3 = 0.10, w4 = 0.20, w5 = 0.15, and w6 = 0.15. Determine the probability of the following events: {O3 }∩{O5 }:

### statistics

Assume that your sample space is S = {O1, O2, O3, O4, O5, O6 } with associated weights (probabilities) w1 = 0.15, w2 = 0.25, w3 = 0.10, w4 = 0.20, w5 = 0.15, and w6 = 0.15. Determine the probability of the following events: {O3 }∩{O5 }:

### Math

Random variable X is normally distributed with mean 10 and standard deviation 2. Compute the following probabilities. a. Pr(X<10) b. Pr(X<11.04) I don't know where to start.

### statistics; emergency please help me

Given that z is a standard normal random variable, compute the following probabilities (to 4 decimals). c. P(z -1.5) d. P(z -2.5)

### statistics; emergency please help me

Given that z is a standard normal random variable, compute the following probabilities (to 4 decimals). a. P(z -1.5) b. P(z -2.5)

### Probabilities and Statistics

How does the number of study hours change during a semester? How do you determine what graph to use? I am so confused

### stats

Violence in School, I An SRS of 400 American adults is asked “What do you think is the most serious problem facing our schools?” Suppose that in fact 40% of all adults would answer “violence” if asked this question. The proportion p of the sample who answers “...

### ap stats

Violence in School, I An SRS of 400 American adults is asked “What do you think is the most serious problem facing our schools?” Suppose that in fact 40% of all adults would answer “violence” if asked this question. The proportion p of the sample who answers “...

### Math

in a family with two children, what are the probabilities of the following outcomes, assuming that the birth of boys and girls is equally likely?

### Math Probabilities

P(A or B) = P(A) + P(B) − P(A and B) when 1. A and B are mutually exclusive 2. A and B are complements 3. A and B occur together 4. A and B are dependent I am pretty confused on this one help will be great :)

### stats need help

Violence in School, I An SRS of 400 American adults is asked “What do you think is the most serious problem facing our schools?” Suppose that in fact 40% of all adults would answer “violence” if asked this question. The proportion p of the sample who answers “...

### stats need help

Violence in School, I An SRS of 400 American adults is asked “What do you think is the most serious problem facing our schools?” Suppose that in fact 40% of all adults would answer “violence” if asked this question. The proportion p of the sample who answers “...

### Quantitative Analysis for business

Key considerations as Allied develops its strategy for disposing of the case are the probabilities associated with John’s response to an Allied counteroffer of $400,000 and the probabilities associated with the three possible trial outcomes. John will accept a counteroffer ...

### Probabilities

There are ten contestants in a chess tournament. The number of ways in which the first, second, and third place prizes can be awarded is closest to?

### probability

In a binomial distribution,n=8 and π=.35. Find the probabilities of the following events. (Round your answers to 4 decimal places.) (a)x=1 (b)x≤4 (c)x≥5

### statistics

A and B are events defined on a sample space, with the following probabilities. Find P(A and B). (Give your answer correct to two decimal places.) P(A) = 0.5 and P(B | A) = 0.4

### math

A and B are events defined on a sample space, with the given probabilities. Find P(A and B). (Give your answer correct to two decimal places.) P(A | B) = 0.43 and P(B) = 0.75

### Math/Statistics

A and B are events defined on a sample space, with the given probabilities. Find P(A and B). (Give your answer correct to two decimal places.) P(A | B) = 0.43 and P(B) = 0.75

### Math

I'm not sure how to do this question. Consider the experiments involving rolling a single die once. Give the probabilities of the event described. What is P (even or prime)?

### statistics math

MEAN ƒÊ=10 & STANDARD DEVIATION ƒÐ=2. FIND THE PROBABILITIES: 9.4 Ú X Ú 10.6 i have 2 different answers but am checking the answer. thank you one is 0.6179 the other is 0.2358

### BUSINESS STATISTICS

The random variable x is normally distributed with mean =1,000 and standard deviation =100. Sketch and find each of the following probabilities: P(x<1,035)