Question

4. (10 pts) For each of the following scenarios, determine whether the binomial distribution is an appropriate model (distribution) for the random variable X. If yes, identify the values of the parameters n and p. A. A fair coin is flipped 10 times. Let X = the number of times the coin comes up tails. A fair coin is flipped multiple times. Let X = the number of times the coin needs to be flipped until we see 10 tails. B C. A standard roulette wheel with one ball in it is turned six times. Let X = the number of times the ball lands on red. D. There are 10 people in the room: five men and five women. Three people are to be selected at random to form a committee. Let X = the number of men on the three-person committee. The percentage of female students at a large university is known to be 46%. A simple random sample of 100 students is to be taken. Let X = the number of male students in the sample. E.

Answer 1