Suppose the probability that a randomly chosen student is age 22 is 7.3%. A rand

Question

Suppose the probability that a randomly chosen student is age 22 is 7.3%. A random group of 16 students is picked. What is the probability that all of the 16 chosen are not 22? Suppose the probability that a randomly chosen student is age 22 is 7.3%. A random group of 16 students is picked. What is the probability that at least three of the 16 chosen are not 22? If you are dealt 3 cards from a well shuffled standard 52-card deck, determine, if possible, the probability that all three cards are red.

Explanation / Answer

7.

p ( of age 22) = .073

n=16

P(all of the 16 are not 22) = ?

P(all of the 16 aren't 22)

= 16C16(1-.073)^16

= 0.298

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