Answered: An employee of a restaurant received…

College Algebra

10th Edition

ISBN:9781337282291

Author:Ron Larson

Publisher:Ron Larson

Chapter8: Sequences, Series,and Probability

Section8.7: Probability

Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....

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An employee of a restaurant received the following feedback rates from the customers, with 15 being the highest and 1 being the lowest.

10, 12, 15, 15, 14, 13, 12, 9, 12

The employee will only get a bonus if the next feedback rate that the employee will receive is 12 or higher. What is the probability that the employee will receive a bonus. Assume that the scores are normally distributed.

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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