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QIt is known that 40% of all students at the school are currently taking a course in philosophy

It is known that 40% of all students at the school are currently taking a course in philosophy. We select 10 students at random.


What is the probability that exactly 4 of these students are currently taking a philosophy course?

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#1JERMAINEAnswered at 2013-04-13 09:00:12
It is known that 40% of all students at the school are currently taking a course in philosophy. We select 10 students at random. What is the probability that exactly 4 of these students are currently taking a philosophy course? --- Binomial Problem with n = 10 ; p = = 0.4 ; x = 4 --- P(x=4) = 10C4*(0.4)^4*(0.6)^6 = binompdf(10,0.4,4) = 0.2508 =========== Cheers, Stan H.
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It is known that 40% of all students at the school are currently taking a course in philosophy

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