The physical plant at the main campus of a large state university recieves daily requests to replace florecent lightbulbs. The distribution of the number of daily requests is bell-shaped and has a mean of 52 and a standard deviation of 9. Using the empirical rule (as presented in the book), what is the approximate percentage of lightbulb replacement requests numbering between 52 and 79? Do not enter the percent symbol. ans = %
The physical plant at the main campus of a large state university recieves daily requests to replace florecent lightbulbs. The distribution of the number of daily requests is bell-shaped and has a mean of 52 and a standard deviation of 9. Using the empirical rule (as presented in the book), what is the approximate percentage of lightbulb replacement requests numbering between 52 and 79? Do not enter the percent symbol. ans = %
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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The physical plant at the main campus of a large state university recieves daily requests to replace florecent lightbulbs. The distribution of the number of daily requests is bell-shaped and has a mean of 52 and a standard deviation of 9. Using the empirical rule (as presented in the book), what is the approximate percentage of lightbulb replacement requests numbering between 52 and 79?
Do not enter the percent symbol.
ans = %
Expert Solution
Step 1
We first find the z scores of 52 and 79
This means we have to find the population within the mean and 3 standard deviations on the right of the mean.
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