Answered: The number of customers served at a…

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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The number of customers served at a busy restaurant on Thursdays follows a Normal distribution with mean 6,352 and standard deviation 254. Suppose we select a simple random sample of 36 Thursdays and use it to compute \overline{x} , the average number of customers served on each of these Thursdays. What is the probability that the number of customers served on a random Thursday exceeds 6,501?

Features Features Normal distribution is characterized by two parameters, mean (µ) and standard deviation (σ). When graphed, the mean represents the center of the bell curve and the graph is perfectly symmetric about the center. The mean, median, and mode are all equal for a normal distribution. The standard deviation measures the data's spread from the center. The higher the standard deviation, the more the data is spread out and the flatter the bell curve looks. Variance is another commonly used measure of the spread of the distribution and is equal to the square of the standard deviation.

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