SOLUTION: A little help please:
Suppose that 7% of customers are dissatisfied when using the drive-thru window. What is the probability that out of 10 customers that day, the last one is
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Question 1077547: A little help please:
Suppose that 7% of customers are dissatisfied when using the drive-thru window. What is the probability that out of 10 customers that day, the last one is the only dissatisfied one?
a) 0.3476
b) 0.3643
c) 0.07
d) 0.0364
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
A couple of ways to do it.
The first is (0.93)^9*0.07=0.0364.
D
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