Recent questions tagged Probability

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Q: The probability that a student is not a swimmer is 1/5. Then the probability that out of five students,

The probability that a student is not a swimmer is 1 5 . Then the probability that out of five students, four are swimmers is: Select the correct answer from above options...

asked Nov 25, 2021 in Education by JackTerrance

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Q: A family has two children. Find the probability that both are boys, if it is known that

A family has two children. Find the probability that both are boys, if it is known that (i) At least one of ... Elder child is a boy Select the correct answer from above options...

asked Nov 25, 2021 in Education by JackTerrance

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Q: A bag contains 4 balls Two balls are drawn at random and are found to be White.

A bag contains 4 balls Two balls are drawn at random and are found to be White. What is the probability that all Balls are white. Select the correct answer from above options...

asked Nov 25, 2021 in Education by JackTerrance

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Q: Given three identical boxes I, II and III each containing two coins.

Given three identical boxes I, II and III each containing two coins. In box I, both coins are gold, In box ... other coin is also gold Select the correct answer from above options...

asked Nov 25, 2021 in Education by JackTerrance

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Q: Two cards are drawn without replacement from a well shuffled pack of cards.

Two cards are drawn without replacement from a well shuffled pack of cards. Find the mean and variance of the number of Red cards. Select the correct answer from above options...

asked Nov 25, 2021 in Education by JackTerrance

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Q: A die is thrown. Let A be the event that the number obtained: is greater than 3.

A die is thrown. Let A be the event that the number obtained: is greater than 3. B be the event that the number ... than 5. Find P(A∪B) Select the correct answer from above options...

asked Nov 25, 2021 in Education by JackTerrance

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Q: It is given that, the events A and B are such that

It is given that, the events A and B are such that P(A) = 1 4 1 , P(A|B) = 1 2 1 , P(B|A) = 2 3 2 , Find P(B) Select the correct answer from above options...

asked Nov 25, 2021 in Education by JackTerrance

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Q: P(A) = 1/4, P(B) = 1/2, P(A B) = 1/8, find P(not A, not B)

P(A) = 1 4 , P(B) = 1 2 , P(A B) = 1 8 , find P(not A, not B) Select the correct answer from above options...

asked Nov 25, 2021 in Education by JackTerrance

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Q: P(A) = 1/2, P(B) = 7/12, P(not A or not B) = 1/4

P(A)= 1 2 ,P(B)= 7 12 ,P( not A or not B)= 1 4 State whether A and B are independent. Select the correct answer from above options...

asked Nov 25, 2021 in Education by JackTerrance

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Q: What is an Experiment?

What is an Experiment? Select the correct answer from above options...

asked Nov 25, 2021 in Education by JackTerrance