Recent questions tagged Probability-interview-questions

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Q: Suppose a random variable X follows the binomial distribution with parameters n and p, where 0 < p < 1.

Suppose a random variable X follows the binomial distribution with parameters n and p, where 0 < p < 1. If P(x = r) / ... C. 1/5 D. 1/7 Select the correct answer from above options...

asked Nov 19, 2021 in Education by JackTerrance

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Q: In a college, 30% students fail in physics, 25% fail in mathematics and 10% fail in both. One student is chosen at random.

In a college, 30% students fail in physics, 25% fail in mathematics and 10% fail in both. One student is chosen at ... 9/20 D. 1/3 Select the correct answer from above options...

asked Nov 19, 2021 in Education by JackTerrance

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Q: A and B are two students. Their chances of solving a problem correctly are 1/3 and 1/4,

A and B are two students. Their chances of solving a problem correctly are 1/3 and 1/4, respectively. If the ... 13/120 D. 10/13 Select the correct answer from above options...

asked Nov 19, 2021 in Education by JackTerrance

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Q: A box has 100 pens of which 10 are defective. What is the probability that out of a sample of 5 pens drawn

A box has 100 pens of which 10 are defective. What is the probability that out of a sample of 5 pens drawn ... most one is defective? Select the correct answer from above options...

asked Nov 19, 2021 in Education by JackTerrance

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Q: Let P(A) > 0 and P(B) > 0. Then A and B can be both mutually exclusive and independent.

State True or False for the statement: Let P(A) > 0 and P(B) > 0. Then A and B can be both mutually exclusive and independent. Select the correct answer from above options...

asked Nov 19, 2021 in Education by JackTerrance

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Q: If A and B are independent events, then A′ and B′ are also independent.

State True or False for the statement: If A and B are independent events, then A′ and B′ are also independent. Select the correct answer from above options...

asked Nov 19, 2021 in Education by JackTerrance

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Q: If A and B are mutually exclusive events, then they will be independent also.

State True or False for the statement: If A and B are mutually exclusive events, then they will be independent also. Select the correct answer from above options...

asked Nov 19, 2021 in Education by JackTerrance

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Q: Two independent events are always mutually exclusive.

State True or False for the statement: Two independent events are always mutually exclusive. Select the correct answer from above options...

asked Nov 19, 2021 in Education by JackTerrance

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Q: If A and B are two independent events then P(A and B) = P(A).P(B)

State True or False for the statements: If A and B are two independent events then P(A and B) = P(A).P(B) Select the correct answer from above options...

asked Nov 19, 2021 in Education by JackTerrance

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Q: Another name for the mean of a probability distribution is expected value.

State True or False for the statements: Another name for the mean of a probability distribution is expected value. Select the correct answer from above options...

asked Nov 19, 2021 in Education by JackTerrance