Recent questions tagged Artificial-intelligence-questions

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Q: Find the mean of the Binomial distribution `B(4,1/3)`.

Find the mean of the Binomial distribution B(4, 1 3 ). Select the correct answer from above options...

asked Nov 13, 2021 in Education by JackTerrance

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Q: A person buys a lottery ticket in 50 lotteries, in each of which his chance of winning a prize is `1/(100)`. What is the probability that he will win

A person buys a lottery ticket in 50 lotteries, in each of which his chance of winning a prize is `1/(100)`. ... (c) at least twice? Select the correct answer from above options...

asked Nov 13, 2021 in Education by JackTerrance

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Q: It is known that 10% of certain articles manufactured are defective. What is the probability that in a random sample of 12 such articles, 9 are defect

It is known that 10% of certain articles manufactured are defective. What is the probability that in a random ... 9 are defective? Select the correct answer from above options...

asked Nov 13, 2021 in Education by JackTerrance

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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, four are swimmers is (A) `^5C_4(4/5)^41/5` (

The probability that a student is not a swimmer is `1/5`. Then the probability that out of five students, four ... (D) None of these Select the correct answer from above options...

asked Nov 13, 2021 in Education by JackTerrance

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Q: In a box containing 100 bulbs, 10 are defective. The probability that out of a sample of 5 bulbs, none is defective is(A) 10-1 (B) `(1/2)^5` (C) `(9/(

In a box containing 100 bulbs, 10 are defective. The probability that out of a sample of 5 bulbs, none is defective is( ... D) `9/(10)` Select the correct answer from above options...

asked Nov 13, 2021 in Education by JackTerrance

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Q: The random variable X has a probability distribution P(X) of the following form, where k is some number :P(X) = `{(k ,if x=0) ,(2k ,if x=1), (3k ,if x

The random variable X has a probability distribution P(X) of the following form, where k is some number :P(X) = {(k,ifx=0), ... (3k,ifx=2),(0otherwise)(a) Determine k.(b) Find P (X...

asked Nov 13, 2021 in Education by JackTerrance

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Q: A random variable X has the following probability distribution:Determine (i) k (ii) `P(X<3)`(iii) `P(X >6)` (iv) `P(0<X<3)`

A random variable X has the following probability distribution:Determine (i) k (ii) `P(X6)` (iv) `P(0...

asked Nov 13, 2021 in Education by JackTerrance

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Q: A die is thrown again and again until three sixes are obtained. Find the probability of obtaining the third six in the sixth throw of the die.

A die is thrown again and again until three sixes are obtained. Find the probability of obtaining the third six in ... of the die. Select the correct answer from above options...

asked Nov 13, 2021 in Education by JackTerrance

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Q: State which of the following are not the probability distributions of a random variable. Give reasons for your answer.

State which of the following are not the probability distributions of a random variable. Give reasons for your answer. Select the correct answer from above options...

asked Nov 13, 2021 in Education by JackTerrance

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Q: Find the probability distribution of the number of successes in two tosses of a die, where a success is defined as(i) number greater than 4(ii

Find the probability distribution of the number of successes in two tosses of a die, where a success is defined as ... at least one die Select the correct answer from above options...

asked Nov 13, 2021 in Education by JackTerrance