SOLUTION: assume there is a 4 person family and you are looking at the gender of the children. let the random variable X stand for the number of females in the 4 children in the sample.
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Question 850808: assume there is a 4 person family and you are looking at the gender of the children. let the random variable X stand for the number of females in the 4 children in the sample.
list the discrete random variable distribution in table format for this situation. find the mean,variance, and standard deviation for this distribution.
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Look at all possible outcomes, then count the number of females.
MMMM=0
MMMF=1
MMFM=1
MMFF=2
MFMM=1
MFMF=2
MFFM=2
MFFF=3
FMMM=1
FMMF=2
FMFM=2
FMFF=3
FFMM=2
FFMF=3
FFFM=3
FFFF=4
So then the discrete probability distribution looks like,
0,1/16
1,4/16
2,6/16
3,4/16
4,1/16
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