SOLUTION: Approximately 85% of applicants get their G1 drvier's license the first time they try the test. 80 applicants are scheduled to take the next test. c) What is the probability tha

Algebra ->  Probability-and-statistics -> SOLUTION: Approximately 85% of applicants get their G1 drvier's license the first time they try the test. 80 applicants are scheduled to take the next test. c) What is the probability tha      Log On


   



Question 876251: Approximately 85% of applicants get their G1 drvier's license the first time they try the test. 80 applicants are scheduled to take the next test.
c) What is the probability that more than 10 applicants will need to retake the test?

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
p(pass) = .85, n = 80 (on an average 68 will pass and 18 will fail)
c)P(more than 10 fail) = 1 - P(≤10 fail) = 1-binomcdf(80,.15,10) = .6700 0r 67%