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Pizza delivery times at Pizza Time are normally distributed with a mean time of 27 minutes and a standard deviation of 3 minutes. Approximately what percent of pizzas are delivered between 24 and 30 minutes?
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5 votes
Pizza delivery times at Pizza Time are normally distributed with a mean time of 27 minutes and a standard deviation of 3 minutes. Approximately what percent of pizzas are delivered between 24 and 30 minutes?

User Jimmar
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2 Answers

5 votes
add 24 and 30 then divide by 2. 
User Felinira
by
8.2k points
4 votes

Answer:

68%

Explanation:

User Trolley
by
7.5k points
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