SOLUTION: The probability of passing a statistics test is 77%. If 18 students take the statistics test, what is the probability that 14 pass the test?

Algebra ->  Probability-and-statistics -> SOLUTION: The probability of passing a statistics test is 77%. If 18 students take the statistics test, what is the probability that 14 pass the test?      Log On


   

Question 762045: The probability of passing a statistics test is 77%. If 18 students take the statistics test, what is the probability that 14 pass the test?
Answer by reviewermath(1029) About Me  (Show Source):
You can put this solution on YOUR website!
Q:
The probability of passing a statistics test is 77%. If 18 students take the statistics test, what is the probability that 14 pass the test?
--------------------------------------------------------------------------
A:
X~Binomial(18, 0.77)
P(X = 14) = %28matrix%282%2C1%2C18%2C14%29%29%280.77%5E14%29%280.23%5E4%29 = highlight%280.2205%29