Assume that "n" persons are seated on n chairs at a round table. Find the probability that two specified persons are sitting next to each other?

Q: Suppose a jar contains 12 red marbles and 30 blue marbles. If you reach in the jar and pull out 2…

A: Solution: From the given information, a jar contains 12 red marbles and 30 blue marbles. Total…

Q: Be a batch of 20 defective and 80 non-defective items, of which 2 are chosen without replacement.…

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Q: 5 people are chosen randomly from 4 women and 5 men to participate in an event.  What is the…

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Q: Assume that when adults with smart phones are randomly selected 56% of them use them in meetings or…

A: Here we need to find the required probability using the binomial distribution.

Q: A card is randomly selected from a standard deck of 52 playing cards. Find the probability that the…

A: The union probability for any two events A and B is defined as P(A ∪ B) = P(A)  + P(B) – P(A ∩ B).

Q: A dish contains 2 yellow, 4 red, 5 purple, 2 green, and 3 orange candies. You grab a handful of 9…

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Q: Determine the probability that 31​, 32​, 33​, 34​, or 35 flights will arrive on time

A: We have given that Sample size, n = 39 Probability of success, p = 0.819

Q: An urn contains 5 red balls, 3 green balls. Draw 8 balls without replacement. What is the…

A: We can draw the third ball to be red in 5C1=5 ways. We can draw the seventh a green one in 3C1=3…

Q: Find the probability that a person flipping a coin gets the second head on the fifth flip?

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Q: Let be a lot of 20 defective items and 80 non-defective items, of which 2 are chosen without…

A: Given,no.of defective items=20no.of non-defective items=80total no.of items=100

Q: find the probability that the educator is a male,given professor

A: We have given that an educators at a college were  classified according to gender and academic rank.