Question 13: Company XYZ know that replacement times for the quartz time pieces it produces are normally distributed with a mean of 17.9 years and a standard deviation of 1.1 years.Find the probability that a randomly selected quartz time piece will have a replacement time less than 14.6 years?P(X < 14.6 years) = CorrectEnter your answer accurate to 4 decimal places. Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted.If the company wants to provide a warranty so that only 3.3% of the quartz time pieces will be replaced before the warranty expires, what is the time length of the warranty?warranty = yearsEnter your answer as a number accurate to 1 decimal place. Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted. Company XYZ know that replacement times for the quartz time pieces it produces are normally distributedwith a mean of 17.9 years and a standard deviation of 1.1 years.Find the probability that a randomly selected quartz time piece will have a replacement time less than14.6 years?P(X < 14.6 years) =.0013Enter your answer accurate to 4 decimal places. Answers obtained using exact z-scores or z-scores roundedto 3 decimal places are accepted.If the company wants to provide a warranty so that only 3.3% of the quartz time pieces will be replacedbefore the warranty expires, what is the time length of the warranty?warranty =yearsEnter your answer as a number accurate to 1 decimal place. Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted.Check Answer

Mean(µ) = 17.9Standard deviations (σ) = 1.1X ~ N (µ, σ )= N (17.9,1.1)

Answered: Find the probability that a randomly…

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 13: Company XYZ know that replacement times for the quartz time pieces it produces are normally distributed with a mean of 17.9 years and a standard deviation of 1.1 years.

Find the probability that a randomly selected quartz time piece will have a replacement time less than 14.6 years?
P(X < 14.6 years) = Correct

Enter your answer accurate to 4 decimal places. Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted.

If the company wants to provide a warranty so that only 3.3% of the quartz time pieces will be replaced before the warranty expires, what is the time length of the warranty?
warranty = years

Enter your answer as a number accurate to 1 decimal place. Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted.