Question

Suppose that water usages in American showers are normally distributed, with an average shower using 19.7 gallons, and a standard deviation of 3.9 gallons. Using the Empirical Rule, estimate the percentage of showers that used 19 1 3 a. between 8 and 31.4 gallons. 1 9 b. more than 23.6 gallons. c. less than 8 gallons. d. between 15.8 and 27.5 gallons.

Name: suppose that water usages in american showers are normally distributed with an average shower using 197 gallons and a standard deviation of 39 gallons using the empirical rule estimate the p 94834
Uploaded: 2023-07-13T07:51:20-08:00
Duration: 3 min 17 s
Channel: Sri K
Description: suppose that water usages in american showers are normally distributed with an average shower using 197 gallons and a standard deviation of 39 gallons using the empirical rule estimate the p 94834

          Suppose that water usages in American showers are normally distributed, with an average shower using 19.7 gallons, and a standard deviation of 3.9 gallons. Using the Empirical Rule, estimate the percentage of showers that used
19
1
3
a. between 8 and 31.4 gallons. 
1
9
b. more than 23.6 gallons.
c. less than 8 gallons. 
d. between 15.8 and 27.5 gallons.

Added by Adam G.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Sri K

07/13/2023

Step 1

7 gallons, standard deviation σ = 3.9 gallons. Show more…

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Suppose that water usages in American showers are normally distributed, with an average shower using 19.7 gallons, and a standard deviation of 3.9 gallons. Using the Empirical Rule, estimate the percentage of showers that used 19 1 3 a. between 8 and 31.4 gallons. 1 9 b. more than 23.6 gallons. c. less than 8 gallons. d. between 15.8 and 27.5 gallons.