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Historical dat shows that twenty percent of students fail in a very challenging statistic course. A random sample of four students is selected. What is

Historical dat shows that twenty percent of students fail in a very challenging statistic course. A random sample of four students is selected. What is the probability that they all successfully complete the statistic course?

A. <.10

B. between .30 and .50

C. between .10 and .30

D. between .50 and .75

E. > 0.75

Multiple choice, please show work.

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