Suppose that water usages in American showers are normally distributed, with an average shower using 15.2 gallons, and a standard deviation of 3 gallons. Estimated the percentage of showers that used a. between 9.2 and 21.2 gallons. ______% b. more than 18.2 gallons. ______% c. less than 9.2 gallons. ______% d. between 6.2 and 21.2 gallons. ______%
Suppose that water usages in American showers are normally distributed, with an average shower using 15.2 gallons, and a standard deviation of 3 gallons. Estimated the percentage of showers that used a. between 9.2 and 21.2 gallons. ______% b. more than 18.2 gallons. ______% c. less than 9.2 gallons. ______% d. between 6.2 and 21.2 gallons. ______%
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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Question
Suppose that water usages in American showers are
a. between 9.2 and 21.2 gallons.
______%
b. more than 18.2 gallons.
______%
c. less than 9.2 gallons.
______%
d. between 6.2 and 21.2 gallons.
______%
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