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16. Suppose 1 in 5 (1/5) JWU students own their own car. If four students are...

16. Suppose 1 in 5 (1/5) JWU students own their own car. If four students are randomly selected, what is the probability that all four own their car?

A. 4/20 B. 4/5 C. 1/20 D. 1/625

17. Suppose 1 in 5 JWU students own their own car. If four students are randomly selected, what is the probability that none own their car?

(Hint: think multiplication rule, selecting 4 individual students...1 in 5 is the same as 20%, right?)

A. 19/20 B. 624/625 C. 256/625 D. 16/20

18. Which of the following variables is NOT discrete?

A. the number of shoes in a shoe store B. the number of Oscar nominations Meryl Streep has received C. the number of women in a Statistics class D. The number of ounces in your coffee

Math   Statistics-And-Probability   
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