a) What percent of the families spending more than MOP300 but less than MOP4,900 per month on entertainment? b) What percent of the families spending less than MOP4,300 per month on entertainment?

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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A recent report in Macau daily indicated that a typical family of four spends
MOP4,900 per month on entertainment. Assume the distribution of entertainment for
a family of four follows the normal distribution, with a standard deviation of MOP900
per month.
a) What percent of the families spending more than MOP300 but less than
MOP4,900 per month on entertainment?
b) What percent of the families spending less than MOP4,300 per
month on entertainment?
Transcribed Image Text:A recent report in Macau daily indicated that a typical family of four spends MOP4,900 per month on entertainment. Assume the distribution of entertainment for a family of four follows the normal distribution, with a standard deviation of MOP900 per month. a) What percent of the families spending more than MOP300 but less than MOP4,900 per month on entertainment? b) What percent of the families spending less than MOP4,300 per month on entertainment?
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