Recent questions tagged artificial-intelligence-mcq

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Q: Find the mean, variance and standard deviation of the number of tails in two tosses of a coin.

Find the mean, variance and standard deviation of the number of tails in two tosses of a coin. Select the correct answer from above options...

asked Nov 13, 2021 in Education by JackTerrance

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Q: Find the mean, variance and standard deviation of the number heads when three coins are tossed.

Find the mean, variance and standard deviation of the number heads when three coins are tossed. Select the correct answer from above options...

asked Nov 13, 2021 in Education by JackTerrance

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Q: A die is tossed once. If the random variable X is defined as `X={{:("1, if the die results in an even number"),("0, if the die results in an odd numbe

A die is tossed once. If the random variable X is defined as X={ 1, if the die results in an even number 0 ... mean and variance of X. Select the correct answer from above options...

asked Nov 13, 2021 in Education by JackTerrance

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Q: Find the mean, variance, standard deviation of number 6 in the two throws of a dice.

Find the mean, variance, standard deviation of number 6 in the two throws of a dice. Select the correct answer from above options...

asked Nov 13, 2021 in Education by JackTerrance

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Q: Two cards are drawn successively with replacement from a well-shuffled pack of 52 cards. Find the mean and variance of the number of kings.

Two cards are drawn successively with replacement from a well-shuffled pack of 52 cards. Find the mean and ... number of kings. Select the correct answer from above options...

asked Nov 13, 2021 in Education by JackTerrance

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Q: Two cards are drawn simultaneously (or successively without replacement) from a well-shuffled pack of 52 cards. Find the mean and variance of the numb

Two cards are drawn simultaneously (or successively without replacement) from a well-shuffled pack of 52 cards. Find ... of aces. Select the correct answer from above options...

asked Nov 13, 2021 in Education by JackTerrance

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Q: Which number cannot represent a probability?

Which number cannot represent a probability? (A) 2/3 (B) 1.5 (C) 15% (D) 0.7 Select the correct answer from above options...

asked Nov 13, 2021 in Education by JackTerrance

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Q: A die is rolled. What is the probability that the number appearing on upper face is less than 3?

A die is rolled. What is the probability that the number appearing on upper face is less than 3? (A) 1/6 (B) 1/3 (C) 1/2 (D) 0 Select the correct answer from above options...

asked Nov 13, 2021 in Education by JackTerrance

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Q: What is the probability of the event that a number chosen from 1 to 100 is a prime number?

What is the probability of the event that a number chosen from 1 to 100 is a prime number? (A) 1/5 (B) 6/25 (C) 1/4 (D) 13/50 Select the correct answer from above options...

asked Nov 13, 2021 in Education by JackTerrance

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Q: There are 40 cards in a bag. Each bears a number from 1 to 40. One card is drawn at random.

There are 40 cards in a bag. Each bears a number from 1 to 40. One card is drawn at random. What is the probability ... ) 4/5 (D) 1/3 Select the correct answer from above options...

asked Nov 13, 2021 in Education by JackTerrance