Recent questions tagged Artificial-intelligence-multiple-cho

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Q: A bag contains 5 white, 7 red and 3 black balls. If three balls are drawn one by one without replacement, find the probability that none is red.

A bag contains 5 white, 7 red and 3 black balls. If three balls are drawn one by one without replacement, find ... that none is red. Select the correct answer from above options...

asked Nov 13, 2021 in Education by JackTerrance

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Q: A bag contains 20 tickets, numbered from 1 to 20. Two tickets are drawn without replacement. What is the probability that the first ticket has an even

A bag contains 20 tickets, numbered from 1 to 20. Two tickets are drawn without replacement. What is the ... an odd number. Select the correct answer from above options...

asked Nov 13, 2021 in Education by JackTerrance

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Q: Three defective bulbs are mixd with 7 good ones. Let X be the number of defective bulbs when 3 bulbs are drawn at random. Find the mean and variance o

Three defective bulbs are mixd with 7 good ones. Let X be the number of defective bulbs when 3 bulbs are drawn ... and variance of X. Select the correct answer from above options...

asked Nov 13, 2021 in Education by JackTerrance

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Q: An urn contians 4 white and 3 red balls. Let X be the number of red balls in a random draw of 3 balls. Find the mean and variance of X.

An urn contians 4 white and 3 red balls. Let X be the number of red balls in a random draw of 3 balls. Find the 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: In a game 3 coins are tossed. A person is paid Rs. 5, if he gets all head or all tail and be in supposed pay Rs. 3 if he gets are head or 2 heads. Wha

In a game 3 coins are tossed. A person is paid Rs. 5, if he gets all head or all tail and be in ... win on an arrange per game. Select the correct answer from above options...

asked Nov 13, 2021 in Education by JackTerrance

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Q: Find the mean and variance of the number of heads when two coins are tossed simultaneously.

Find the mean and variance of the number of heads when two coins are tossed simultaneously. Select the correct answer from above options...

asked Nov 13, 2021 in Education by JackTerrance

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Q: Find the mean and variance of the number of tails when three coins are tossed simultaneously.

Find the mean and variance of the number of tails when three coins are tossed simultaneously. Select the correct answer from above options...

asked Nov 13, 2021 in Education by JackTerrance

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Q: A pair of dice is thrown 4 times. If getting a doublet is considered a success, find the probability distribution of number of successes. Also, find t

A pair of dice is thrown 4 times. If getting a doublet is considered a success, find the probability ... number of successes. Select the correct answer from above options...

asked Nov 13, 2021 in Education by JackTerrance

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Q: A coin is tossed 4 times. Let X denote the number of heads. Find the probability distribution of X. Also, find the mean and variance of X.

A coin is tossed 4 times. Let X denote the number of heads. Find the probability distribution of X. Also, find ... and variance of X. Select the correct answer from above options...

asked Nov 13, 2021 in Education by JackTerrance

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Q: There are 5 cards numbered 1 to 5, one number on one card. Two cards are drawn at random without replacement. Let `X` denote the sum of the numbers on

There are 5 cards numbered 1 to 5, one number on one card. Two cards are drawn at random without replacement ... the mean and variance. Select the correct answer from above options...

asked Nov 13, 2021 in Education by JackTerrance

Recent questions tagged Artificial-intelligence-multiple-choice-questions