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Ch 7 HW Question 21 A study found that the mean amount of time cars spent in drive-throughs of a certain fast-food restaurant was 143.4

Ch 7 HW Question 21

A study found that the mean amount of time cars spent in drive-throughs of a certain fast-food restaurant was 143.4 seconds. Assuming drive-through times are normally distributed with a standard deviation of 24 seconds.

(a) What is the probability that a randomly selected car will get through the restaurant's drive-through in less than 107

seconds?

The probability that a randomly selected car will get through the restaurant's drive-through in less than 107 seconds is ___?

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