Answered: omers using a self-service soda…

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

Customers using a self-service soda dispenser take an average of 11 ounces of soda with an SD of 2 ounces. Assume that the amount would be normally distributed.

What is the probability that a randomly selected customer takes over 9 ounces of soda?

0.66

0.95

0.25

0.84

0.75

What is the probability that a randomly selected customer takes between 12 to 13 ounces of soda?

0.14

0.24

0.85

0.17

0.15

How many of the next 100 customers will take an average of less than 11.24 ounces?

5 45

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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