2. By reviewing statistics Canada's website, the following table indicates the number of children born in a family (X) and their corresponding probability distributions of 1,280 Ontarian families surveyed during 2010: P(X) 0.39 1 0.26 2 0.12 3 0.09 4 0.06 0.04 0.03 7 0.01

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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2. By reviewing statistics Canada's website, the following table indicates the number of children born in a
family (X) and their corresponding probability distributions of 1,280 Ontarian families surveyed during
2010:
P(X)
0.39
1
0.26
2
0.12
3
0.09
4
0.06
0.04
0.03
7
0.01
Find out the mean and the standard deviation of this distribution. Show your calculation method(s).
Transcribed Image Text:2. By reviewing statistics Canada's website, the following table indicates the number of children born in a family (X) and their corresponding probability distributions of 1,280 Ontarian families surveyed during 2010: P(X) 0.39 1 0.26 2 0.12 3 0.09 4 0.06 0.04 0.03 7 0.01 Find out the mean and the standard deviation of this distribution. Show your calculation method(s).
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