An electrical firm manufactures light bulbs that have a life, before burn-out, that is normally distributed with mean equal to 800 hours and a standard deviation of 40 hours. a. Set up the required equations in order to formulate your solution to the problem. b. Find the probability that a bulb burns between 778 and 834 hours.
An electrical firm manufactures light bulbs that have a life, before burn-out, that is normally distributed with mean equal to 800 hours and a standard deviation of 40 hours. a. Set up the required equations in order to formulate your solution to the problem. b. Find the probability that a bulb burns between 778 and 834 hours.
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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An electrical firm manufactures light bulbs that have a life, before burn-out, that
is
40 hours.
a. Set up the required equations in order to formulate your solution to the
problem.
b. Find the probability that a bulb burns between 778 and 834 hours.
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