The average monthly income of 250 families in a certain barangay is P25,500 with a standard deviation of P3,200. Assuming that the family incomes are normally distributed, find the number of families who earn between P 20,000 and P 30,000 per month?
The average monthly income of 250 families in a certain barangay is P25,500 with a standard deviation of P3,200. Assuming that the family incomes are normally distributed, find the number of families who earn between P 20,000 and P 30,000 per month?
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 14PPS
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The average monthly income of 250 families in a certain barangay is P25,500 with a standard deviation of P3,200. Assuming that the family incomes are normally distributed , find the number of families who earn between P 20,000 and P 30,000 per month?
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