Mathematics, 28.12.2019 04:31 KOAL

Wendy’s drive-through fast-food restaurants spend quite a bit of time studying the amount of time cars spend in their drive-throughs. certainly, the faster the cars get through the drive-through, the more the opportunity for making money. qsr magazine studied drive-through times for fast-food restaurants and found wendy’s had the best time, with a mean time spent in the drive-through of 138.5 seconds. assuming drive-through times are normally distributed with a standard deviation of 29 seconds, answer the following.

(a) what is the probability that a randomly selected car will get through wendy’s drive-through in less than 100 seconds? in other words, find p(x < 100).

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Wendy’s drive-through fast-food restaurants spend quite a bit of time studying the amount of time ca...