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Calculating Probabilities
Page 2
Questions (151)
Please help me out with this
The numbers 1 through 50 are written with red marker on slips of paper while the numbers 51 through
3 answers
asked by
Me and I
844 views
According to one study, 61% of the population swallow at least one spider per year in their sleep. Based on
this study, what is
2 answers
asked by
Cassie
1,814 views
Let Y=X2. Calculate the following probabilities:
P(Y=0)= P(Y=1)= P(Y=2)=
2 answers
asked by
lin
541 views
Suppose that A and B are events defined on a common sample space and that the following probabilities are known. Find P(A or B).
1 answer
asked by
Nora
441 views
Consider the following.
P(A) = 0.27 and P(B) = 0.36, A and B are mutually exclusive events (a) Find the probability P(A). (Give
4 answers
asked by
Nora
1,161 views
Andrew has ten different two-player board games on his shelf. He has them numbered 1 through 10. When he plays the game i
3 answers
asked by
Andrew
465 views
Suppose that 50 identical batteries are being tested. After 8 hours of continuous use, assume that a given battery is still
2 answers
asked by
cate
622 views
In a binomial distribution,n=8 and π=.35. Find the probabilities of the following events. (Round your answers to 4 decimal
2 answers
asked by
Tonya
908 views
What is the probability of a game being sold if 18,980,000 of that title was sold out of a total 68320,000 different video games
2 answers
asked by
tony
582 views
a disk drive is randomly selected from 50 available disk drives, of which five are defective. What is the probability that it is
1 answer
asked by
nitz
311 views
Anon: Do you know how to calculate probabilities like P10, P20, P30...? I do not understand lot of this statistics stuff and
1 answer
asked by
Bev
385 views
Hugo has a job interview at Telus. He has a 56% of waking up late on the morning of the interview. When he wakes up late he has
1 answer
asked by
Anonymous URGENT PLS
981 views
Actually I'm asking this question because I found my answer for the HW question somewhat weird, but I still can't determine
2 answers
asked by
Cecile
489 views
The MSU basketball team is playing OU. If the probability that MSU wins the game is 0.68 and the probability that OU wins is
1 answer
asked by
Emily
356 views
Is this problem correct
Answer: 0.90^5 = 0.6562
1 answer
asked by
charles
299 views
the time between unplanned shutdowns of a power plant has an exponential distribution with a mean of 20 days. Find the
2 answers
asked by
charles
822 views
Between 11 P.M. and midnight on Thursday night, Mystery Pizza gets an average of 5.7 telephone orders per hour.
a) Find the
2 answers
asked by
anonymous
979 views
Consider a bowl containing 36 different slips of paper. Ten of the slips of paper each contain one of 16)
the digits from the set
2 answers
asked by
Bart
550 views
Days Stayed Frequency
3 60 4 51 5 14 6 22 7 8 What is the probability a patient stayed at least 5 days? (Round to the nearest
1 answer
asked by
Regina
301 views
I have a bag of 20 m&m's. 6 are red; 7 are blue; 4 are green; 3 are yellow. if I took one out, what is the probability of
2 answers
asked by
Jose
718 views
Using standard deviation. Normally distributed mean of 0 degrees standard deviation of 1.00 degrees celcius.
1. between 0 and
1 answer
asked by
Sue
646 views
In a moth population, 47 are brown, 15 are yellow, and 34 are black. What is the approximate probabilit of a moth being black?
1 answer
asked anonymously
63 views
95% specificity means that of the people who do not have strep, 95% of them will accurately test negative. This means that 5% of
1 answer
asked by
Jishka
27 views
Letter tiles a in a bag. Without looking I am going to draw one tile.
Here are the letter tiles O,I,S,P,L,A What are my chances
6 answers
asked by
Larry
4,530 views
At a major International Airport, 0.49 of the flights arrive on time. A sample of 12 flights is studied. What is the probability
3 answers
asked by
Semmy
1,479 views
A manufacturer ships toasters in cartons of 20. In each carton, they estimate a 10% chance that any one of the toasters
3 answers
asked by
dhama
1,483 views
Each time Parker shoots a free throw in basketball, he has an 80% chance of making the shot. Suppose he is given 3 free throws.
2 answers
asked by
Cherie
1,258 views
At a local university, when scheduling classes, the probability that there are no evening classes available on a certain day is
2 answers
asked by
sam
1,141 views
In a popular online role playing game, players can create detailed designs for their character's "costumes," or appearance.
1 answer
asked by
mlin
47 views
An unprepared student makes random guesses for the ten true-false questions on a quiz. Find the probability that there is at
3 answers
asked by
Hannah
1,101 views
mean = 60 wpm
standard deviation= 15 wpm a.What is the probability that a randomly selected typist's net rate is at most 60 wpm?
2 answers
asked by
Aditi
1,036 views
Identify why this assigbment if probabilities cannot be legitimite: P(A)=0.4, P(B)=0.3, P(AandB)= 0.5
3 answers
asked by
yvonne
1,012 views
Find the probability of:
a) Rolling a three OR a six with a single die Answer: P(3 U 6)= n(3U6)/n(S) = 3+6/6 = 9/6 reduced: 3/ b)
13 answers
asked by
Jacob
973 views
B} The average number of mosquitoes in a stagnant pond is 70 per square meter with a standard deviation of 8. If 36 square
1 answer
asked by
Loren
871 views
Alex is on vacation and has the clothes listed above with her. She is trying to pick out an outfit. What is the probability she
2 answers
asked by
Anonymous
820 views
Let x denote the time taken to run a road race. Suppose x is approximately normally distributed with a mean of 190 minutes and a
1 answer
asked by
Eddie
845 views
about 13% of the population is nervous around strangers. If 2 people are randomally seclected, what is the probability that both
3 answers
asked by
jb
830 views
According to Internet security experts, approximately 90% of all e-mail messages are spam (unsolicited commercial e-mail), while
1 answer
asked by
Jeffrey
1,071 views
Please check my answers
Would you be more likely to get at least 70% tails if you flip a fair coin 10 times or if you flip a fair
2 answers
asked by
anonymous
1,035 views
Let Y be a random number between 0 and 1 generated by an idealized random number generator. Find the following probabilities:
A.
2 answers
asked by
Julia T
763 views
twenty percent of drivers drining between 11pm and 3am are drunken drivers. using the binomial probabilities table. fine the
2 answers
asked by
marie
783 views
Cola Corporation produces Orange Cola. The filling machines are adjusted to pour 12 ounces of soda into each 12-ounce can.
2 answers
asked by
Steven
677 views
On the average, 6 people per hour use an express teller machine situated inside a commercial complex. What is the probability
3 answers
asked by
NARUTO
662 views
If D ~ N(250,400) find
(a) P(D>265 ∩ D<280) (b) P(D>265 | D<280) (c) P(D<242 ∪ D>256) I calculated (a) to be 0.0149 and (c)
2 answers
asked by
Ramesh
643 views
Given that x is a normally distributed random variable with a mean of 28 and a standard deviation of 7, find the following
2 answers
asked by
Anonymous
667 views
Sweden is reported to have among the highest percentage of citizens aged 80 years and over, at approximately 5.5 % (i.e. 5.5 %
2 answers
asked by
Brittany
620 views
company A has 110 employed, company B has 750 employed and company C has 250 employed. Compute the probability that an employee
2 answers
asked by
iris
633 views
What is the probability of getting gummy bears
1 answer
asked anonymously
29 views
A box of tickets averages out to 75 and the SD is 10. One hundred draws are made at random with replacement from this box.
a)Find
2 answers
asked by
Amanda
577 views
Ok. I pretty much have this one solved but the final answer has me stumped. The probability that Luis will pass his statistics
6 answers
asked by
annie
585 views
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Parent Categories (30)
Averages and Standard Deviation
Basic Probability Concepts
Binomial distribution
Binomial Probability
Binomial Probability Distribution
Coin toss
Continuous Random Variables
Cumulative Probability Distribution
Deck of cards
Drawing balls from a bag
Events
Events and Independence
Events and Outcomes
Experimental Probability
Exponential Distribution
Geometric Distribution
Independent Events
Markov chains
Mutually Exclusive Events
Normal Distribution
Odds and Probabilities
Poisson Distribution
Probability
Probability and Statistics
Probability Distribution
Probability of Events
Probability Theory
Statistics
Theoretical Probability
Tree Diagrams