The average life expectancy of computers produced by Ahmadi, Inc. is 6 years with a standard deviation of 10 months. Assume that the lives of computers are normally distributed. Suggestion: For this problem, convert ALL of the units to months. Question 1.What is the probability that a randomly selected computer will have a lifeexpectancy of at least 7 years? Your answer should be in percent (between 0 and100) and keep two digits after the period. So, if your answer is 13%, enter 13.00.Your Answer:Answer

GivenMean(μ)=6 years = 6×12=72 monthsstandard deviation(σ)=10 months

Question 1. What is the probability that a randomly selected computer will have a life expectancy of at least 7 years? Your answer should be in percent (between 0 and 100) and keep two digits after the period. So, if your answer is 13%, enter 13.00. Your Answer:

Question 1. What is the probability that a randomly selected computer will have a life expectancy of at least 7 years? Your answer should be in percent (between 0 and 100) and keep two digits after the period. So, if your answer is 13%, enter 13.00. Your Answer:

Intermediate Algebra

10th Edition

ISBN:9781285195728

Author:Jerome E. Kaufmann, Karen L. Schwitters

Publisher:Jerome E. Kaufmann, Karen L. Schwitters

Chapter11: Exponential And Logarithmic Functions

Section11.S: Summary

Problem 15S

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Question

The average life expectancy of computers produced by Ahmadi, Inc. is 6 years with a standard deviation of 10 months. Assume that the lives of computers are normally distributed. Suggestion: For this problem, convert ALL of the units to months.

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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