Question
A study found that the mean amount of time cars spent indrive-throughs of a certainfast-food restaurant was 148.1 seconds. Assumingdrive-through times are normally distributed with
A study found that the mean amount of time cars spent indrive-throughs of a certainfast-food restaurant was 148.1 seconds. Assumingdrive-through times are normally distributed with a standard deviation of 26 seconds, complete parts(a) through(d) below
a. 0.0350
b. 0.0495
(c) What proportion of cars spend between 2 and 3 minutes in therestaurant's drive-through?
The proportion of cars that spend between 2 and 3 minutes in therestaurant's drive-through is
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Real Mathematical Analysis
Authors: Charles C Pugh
2nd Edition
3319177710, 9783319177717
