McDonald's has one of the slowest drive-thru wait times for fast food restaurants. The drive-thru waiting times are normally distributed with a mean of 273 seconds and a standard deviation of 51 seconds. - Z(S) a. Find the probability that a randomly chosen customer will wait between 260 and 280 seconds. 260-280 - 20 2= 273 4.97 51 120 171 222 273 324 376 426 16 42.5 168- -95 977 Answer obtained by hand: - Seconds = Answer obtained from graphing calculator: 7.5
McDonald's has one of the slowest drive-thru wait times for fast food restaurants. The drive-thru waiting times are normally distributed with a mean of 273 seconds and a standard deviation of 51 seconds. - Z(S) a. Find the probability that a randomly chosen customer will wait between 260 and 280 seconds. 260-280 - 20 2= 273 4.97 51 120 171 222 273 324 376 426 16 42.5 168- -95 977 Answer obtained by hand: - Seconds = Answer obtained from graphing calculator: 7.5
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question
How was 7.5 obtained?
Expert Solution
Step 1
Let X be the random variable from normal distribution with mean (μ) = 273 and standard deviation (σ) = 51
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