SOLUTION: Zippy Pizza delivers 78% of its pizzas on time. What is the expected number of pizza deliveries before one is late?
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Question 875858: Zippy Pizza delivers 78% of its pizzas on time. What is the expected number of pizza deliveries before one is late?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
p = .78, n = 100
E = .78•100 = 78 before there is one late
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