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The lengths of pregnancies in a small rural village are normally distributed with a mean of 268 days and a standard deviation of 14 days. In what range would we expect to find the middle 98% of most lengths of pregnancies? Round the answer to one decimal place. Between and days 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 41 and a standard deviation of 11. Using the 68-95-99.7 (Empirical) Rule, what is the approximate percentage of lightbulb replacement requests numbering between 41 and 74? The approximate percentage of lightbulb replacement requests numbering between 41 and 74 is %. (Do not enter the percent symbol.)

The lengths of pregnancies in a small rural village are normally distributed with a mean of 268 days and a standard deviation of 14 days. In what range would we expect to find the middle 98% of most lengths of pregnancies? Round the answer to one decimal place. Between and days 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 41 and a standard deviation of 11. Using the 68-95-99.7 (Empirical) Rule, what is the approximate percentage of lightbulb replacement requests numbering between 41 and 74? The approximate percentage of lightbulb replacement requests numbering between 41 and 74 is %. (Do not enter the percent symbol.)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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1. The lengths of pregnancies in a small rural village are normally distributed with a mean of 268 days and a standard deviation of 14 days. In what range would we expect to find the middle 98% of most lengths of pregnancies? Round the answer to one decimal place. Between and days 2. 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 41 and a standard deviation of 11. Using the 68-95-99.7 (Empirical) Rule, what is the approximate percentage of lightbulb replacement requests numbering between 41 and 74? The approximate percentage of lightbulb replacement requests numbering between 41 and 74 is %. (Do not enter the percent symbol.)
Transcribed Image Text:1. The lengths of pregnancies in a small rural village are normally distributed with a mean of 268 days and a standard deviation of 14 days. In what range would we expect to find the middle 98% of most lengths of pregnancies? Round the answer to one decimal place. Between and days 2. 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 41 and a standard deviation of 11. Using the 68-95-99.7 (Empirical) Rule, what is the approximate percentage of lightbulb replacement requests numbering between 41 and 74? The approximate percentage of lightbulb replacement requests numbering between 41 and 74 is %. (Do not enter the percent symbol.)
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