1. The average weekly income of 1500 workers is Php1500 with a standard deviation of Php80. Assuming that the weekly incomes are normally distributed, find the number of workers who earn: a. Between Php1 440 and Php1 640 b. Less than or equal to Php1 350 c. Greater than or equal to Php1 400
1. The average weekly income of 1500 workers is Php1500 with a standard deviation of Php80. Assuming that the weekly incomes are normally distributed, find the number of workers who earn: a. Between Php1 440 and Php1 640 b. Less than or equal to Php1 350 c. Greater than or equal to Php1 400
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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Transcribed Image Text:1. The average weekly income of 1500 workers is Php1500 with a
standard deviation of Php80. Assuming that the weekly
incomes are normally distributed, find the number of workers
who earn:
a. Between Php1 440 and Php1 640
b. Less than or equal to Php1 350
c. Greater than or equal to Php1 400
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