The results of a survey of married couples and the number of children they had are shown
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The results of a survey of married couples and the number of children they had are shown below.
Determine the expected number of children and the standard deviation for the number of children.
Transcribed Image Text:
Number of children 0 1 2 3 4 Probability 0.150 0.125 0.500 0.175 0.050
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Related Book For
Statistics For Business And Financial Economics
ISBN: 9781461458975
3rd Edition
Authors: Cheng Few Lee , John C Lee , Alice C Lee
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