Question

The probability that a student uses the academic resource center on a regular basis is 0.33. in a group of 18 students, what is the probability that exactly 4 of them use the academic resource center on a regular basis?

Answer 1

So here you can make a proportion! .33/18 = x/4 so .33 times 4 = 18x —> (.33 times 4)/18 = x. Plug into calculator to get x