SOLUTION: 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
Algebra ->
Probability-and-statistics
-> SOLUTION: 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
Log On
Question 300733: 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? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! 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.
(