The average price of cell phones manufactured by Ahmadi, Inc. is $100 with a standard deviation of $10. Furthermore, it is known that the prices of the cell phones manufactured by Ahmadi are normally distributed. a) Suppose cell phones manufactured by Ahmadi, Inc. are used in a test. Find the probability that exactly two of the three cell phones have prices less than $100.

The average price of cell phones manufactured by Ahmadi, Inc. is $100 with a standard deviation of $10. Furthermore, it is known that the prices of the cell phones manufactured by Ahmadi are normally distributed. a) Suppose cell phones manufactured by Ahmadi, Inc. are used in a test. Find the probability that exactly two of the three cell phones have prices less than $100.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.4: Distributions Of Data

Problem 19PFA

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Question

2.2) The average price of cell phones manufactured by Ahmadi, Inc. is $100 with a standard deviation of $10. Furthermore, it is known that the prices of the cell phones manufactured by Ahmadi are normally distributed.

a) Suppose cell phones manufactured by Ahmadi, Inc. are used in a test. Find the probability that exactly two of the three cell phones have prices less than $100.

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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