SOLUTION: There is a 30% chance of missing a flight due to long lines at security. If there are 120 people waiting in the security line to make their flight, what is the mean and the standar

Question 1198233: There is a 30% chance of missing a flight due to long lines at security. If there are 120 people waiting in the security line to make their flight, what is the mean and the standard deviation for the number of people who will miss their flight?
One of the following is the answer, with the mean listed first and the standard deviation listed second.
A) 3.6, 25.2
B) 3.6, 5.02
C) 36, 25.2
D) 36, 5.02
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
There is a 30% chance of missing a flight due to long lines at security:
n = 120
mean = np = .3*120 = 36
s = npq = = 5.02
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