SOLUTION: Finding the mean and standard deviation. Let the random variable x represent the number of girls in a family of four children. Construct a table describing the probability distribu

Question 364984: Finding the mean and standard deviation. Let the random variable x represent the number of girls in a family of four children. Construct a table describing the probability distribution, then find the mean and standard deviation
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
There are possible outcomes.
Count the number of girls for each possible outcome.

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The number of girls range from 0 to 4.
Count the occurences divided by total number of outcomes to get probability.
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Mean

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Standard deviation (find variance first)

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