282 Answered Questions for the topic Probability Problems

Probability Problems Math Probability Math Help

11/02/16

Find the following probability
For the following probability distributions:    x     0    1    2 P(x)  0.5  0.4  0.1   a. Find E(x) b. Find σ(x)
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Probability Problems Math Probability Math Help

11/02/16

Find the probability of these Computer Chips
Computer Chips are manufactured with 20% defective. Five chips are drawn at random with replacement off an assembly line.     a. Find the probability that exactly 3 chips are defective. b. Find... more
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Probability Problems Statistics Probability Math Help

10/16/16

Please, answer with the full solution! Thanks for the help!
Readings on a thermometer are normally distributed with a mean of 0C and a standard deviation of 1.00.What is the probability that a randomly selectedthermometer reads: • Less than 0.53.• Greater... more
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10/15/16

Please, answer with the full solution! Thanks for the help!
Readings on a thermometer are normally distributed with a mean of 0C and a standard deviation of 1.00.What is the probability that a randomly selectedthermometer reads: • Less than 0.53.• Greater... more
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Probability Problems Math Probability Math Help

10/11/16

5 cards are selected from a fair deck. What is the Probability that they contain at least 4 reds?
5 cards are selected from a fair deck. What is the Probability that they contain at least 4 reds?   Please & Thanks!!
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Probability Problems Math Probability College

10/11/16

combinatorics and probability
A committee of 6 people is chosen from 8 women and 8 men. How many different committees are possible that consists of 3 women and 3  men ?
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Probability Problems Logic Word Problems College

10/11/16

combinatorics and probability
A math quiz is generated by randomly choosing 5 questions from a test bank consisting of 50 questions. How many different quizzes are possible ? 
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Probability Problems Math Probability Math Help

10/09/16

A fair coin is flipped 7 times. What is the probability of obtaining at least 1 tail?
A fair coin is flipped 7 times. What is the probability of obtaining at least 1 tail?  
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Probability Problems Math Probability Math Help

10/09/16

A fair die is thrown 10 times. What is the probability of rolling a 1 on exactly 2 of the 10 throws?
A fair die is thrown 10 times. What is the probability of rolling a 1 on exactly 2 of the 10 throws?   Please help!!
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Probability Problems Math Probability Math Help

10/05/16

Find the probability that a person whose result is positive is actually negative
The Centers for Disease Control (CDC) estimates that 0.6% of Americans have AIDS. The HIV-1 tests correctly diagnose the presence of HIV in 95% of the persons who have it and correctly diagnose its... more
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Probability Problems Math Probability Math Help

10/05/16

If 15% of adult females smoke..
An ectopic pregnancy is one where gestation occurs outside the uterus. The condition is twice as likely for a female who smokes than for one who is a nonsmoker. If 15% of Adult females smoke, what... more
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Probability Problems Probability Math Help Math Problem

10/03/16

Unfair coin, probability of selecting a girl?
An unfair coin with Pr[H]=0.2 is flipped. If the flip results in heads, a student is selected at random from a class of 12 boys and 10 girls. Otherwise, a student from a different class containing... more
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Probability Problems Probability Stats

09/26/16

In a population of 22,000,000.00What is the probability of three people meeting randomly who lived within three houses from each other 43 years ago?
1973 - Perth West Australia,  population 900,000: age 12 :- I live in an apartment block of 40 units.  1995 - Perth West Australia, population of 1,800,000: age 33 :- meet husband in a blind date.... more
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Probability Problems Combinations And Permutations

09/15/16

Probability Finite Help!!
Assume that there are 16 board members: 11 females, and 5 males including Neville. There are 3 tasks to be assigned. Note that assigning the same people different tasks constitutes a different... more
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Probability Problems

09/04/16

what is the probability of getting a heart and an ace when drawing a single card from a deck of 52 cards ?
hello, i'm a bit confused about this question because the events are dependent events. please i need help. Thank you
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08/25/16

What is the probability a randomly selected other student will score higher than you if you score in the 80th percentile?
What is the probability a randomly selected other student will score higher than you if you score in the 80th percentile on a standardized test?
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Probability Problems Probability Math Help Variables

08/25/16

For the following variables, would the distribution of scores approximate a normal curve?
For the following variables, would the distribution of scores approximate a normal curve? Please explain why and if its not going to have a normal curve, what distribution shape is it really likely... more
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Probability Problems

08/09/16

sbi po question
In a bag there are three types of colored balls of red, white and Bluecolors. The probability of selecting one red ball out of the total ball is 1/2 and the probability of selecting one blue ball... more
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Probability Problems

08/08/16

48 barbeque wings to feed Mr. Tyler's algebra class of 10 students. How many wings would be needed for 30 students?
I don't understand this math problem as if there is a solution to this answer? Cause 10 or 30 students confused me.
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Probability Problems

07/24/16

Probability
A bag contains 5 blue, 3 red, and 8 green marbles. You choose a marble, do not replace it, and then choose another. What is the probability that both marbles are red
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Probability Problems Probability

07/24/16

Probability and Statistics Carpooling Question
Although cities encourage carpooling to reduce traffic congestion, most vehicles carry only one person. For example, 76% of vehicles on the roads are occupied by just the driver. (Round your... more
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07/17/16

Assuming X is a binomial random variable, what is the probability exactly 3 cars are left unlocked?
There is a p=12.5% chance a parked car will have been left unlocked. X is the number of cars left unlocked in a parking lot with a total of 6 cars. Assuming X is a binomial random variable, what is... more
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07/17/16

Assuming X is a binomial random variable, what is the mean number?
There is a p=12.5% chance a parked car will have been left unlocked. X is the number of cars left unlocked in a parking lot with a total of 6 cars. Assuming X is a binomial random variable, what is... more
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Probability Problems Probability Algebra Word Problem

07/13/16

Help! Probability Word Problem.
On a game show, you are given six different digits to arrange in the proper order to represent the price of a house. If your are correct, you win the house. Find the probability of winning under... more
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06/27/16

A nonnegative integer-valued random variable X has a CDF of the form F(x)=1-(1/5)^x for x=1,2,.....and zero otherwise. Find P(X is odd)?
A nonnegative integer-valued random variable X has a CDF of the form F(x)=1-(1/5)^xfor x=1,2,.....and zero otherwise.Find P(X is odd)? could you please help me with that?
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