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68% of statistics Mean 95% of statistics 99.7% of statistics A Mean 4 Mean A 1 st. 4 1 st. dev 2 st. dev 2 st dev 3 st dev 3 st. dev below dev below above above below above Suppose that water usages in American showers are normally distributed, with an average shower using 15.3 gallons, and a standard deviation of 2.3 gallons. Estimate the percentage of showers that used (a) % of showers use between 13 and 17.6 gallons. (b) % of showers use more than 22.2 gallons. (c) % of showers use less than 13 gallons. (d) According to the 2 Standard Deviation Rule, data values that are more than 2 standard deviations away from the mean of the distribution are considered to be "unusually high" or "unusually low." According to this rule, it would be unusual for an American shower to last more than gallons. Question Help: Video > Next Question

68% of statistics Mean 95% of statistics 99.7% of statistics A Mean 4 Mean A 1 st. 4 1 st. dev 2 st. dev 2 st dev 3 st dev 3 st. dev below dev below above above below above Suppose that water usages in American showers are normally distributed, with an average shower using 15.3 gallons, and a standard deviation of 2.3 gallons. Estimate the percentage of showers that used (a) % of showers use between 13 and 17.6 gallons. (b) % of showers use more than 22.2 gallons. (c) % of showers use less than 13 gallons. (d) According to the 2 Standard Deviation Rule, data values that are more than 2 standard deviations away from the mean of the distribution are considered to be "unusually high" or "unusually low." According to this rule, it would be unusual for an American shower to last more than gallons. Question Help: Video > Next Question

MATLAB: An Introduction with Applications
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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68% of statistics Mean 95% of statistics 99.7% of statistics 4 Mean Mean 1 st. 2 st dev 3 st dev 1 st. dev 2 st. dev below 3 st. dev below dev above above below above Suppose that water usages in American showers are normally distributed, with an average shower using 15.3 gallons, and a standard deviation of 2.3 gallons. Estimate the percentage of showers that used (a) % of showers use between 13 and 17.6 gallons. (b) % of showers use more than 22.2 gallons. (c) % of showers use less than 13 gallons. (d) According to the 2 Standard Deviation Rule, data values that are more than 2 standard deviations away from the mean of the distribution are considered to be "unusually high" or "unusually low." According to this rule, it would be unusual for an American shower to last more than gallons. Question Help: Video > Next Question
Transcribed Image Text:68% of statistics Mean 95% of statistics 99.7% of statistics 4 Mean Mean 1 st. 2 st dev 3 st dev 1 st. dev 2 st. dev below 3 st. dev below dev above above below above Suppose that water usages in American showers are normally distributed, with an average shower using 15.3 gallons, and a standard deviation of 2.3 gallons. Estimate the percentage of showers that used (a) % of showers use between 13 and 17.6 gallons. (b) % of showers use more than 22.2 gallons. (c) % of showers use less than 13 gallons. (d) According to the 2 Standard Deviation Rule, data values that are more than 2 standard deviations away from the mean of the distribution are considered to be "unusually high" or "unusually low." According to this rule, it would be unusual for an American shower to last more than gallons. Question Help: Video > Next Question
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