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4. Suppose that the employment rate of USC-students is 70% and that 8 USC-students were randomly...

4. Suppose that the employment rate of USC-students is 70% and that 8 USC-students were randomly surveyed if they are employed.

a)

What is the probability that exactly 6 students are employed?

b)

What is the probability that at least 4 of them are employed?

c)

What is the probability that at most 6 of them are employed?

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