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Suppose that 40% of all college students smoke cigarettes. A sample of 10 is selected randomly. What is the probability tha t
a half of the students smoke?
11 years ago

Answers

Reiny
so prob that 5 of the 10 smoke
= C(10,5)(.4^5)(.6^5)
= appr .2

40% of college students smoke ???
Are those stats from the 50's ?
11 years ago

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