Lightbulbs: The lifetime of lightbulbs has a mean of 1500 hours and a standard deviation of 100 hours. A sample of 80 lightbulbs is tested. Use theCumulative Normal Distribution Table or technology. Round your answers to four decimal places.EspañolPart: 0/3Part 1 of 3(a) What is the probability that the sample mean lifetime is greater than 1520 hours?The probability that the sample mean lifetime is greater than 1520 hours is .0368Part: 1 /3Part 2 of 3(b) What is the probability that the sample mean lifetime is less than 1540 hours?The probability that the sample mean lifetime is less than 1540 hours is

Given that μ=1500, σ=100, and n=80.

Answered: Lightbulbs: The lifetime of lightbulbs…

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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