In a study on birth order, a researcher interviewed every family in California that had exactly...
In a study on birth order, a researcher interviewed every family in California that had exactly six children. The study found 72 families for which the exact birth order was BGGBBG. Estimate how many families were likely to have the exact birth order GBBBBG.
Homework Answers
Assuming that probability of having a boy or girl is 1/2.
The probability of haviing 6 babies in order of BGGBBG is equal to
and total families having this order is babies is 72
So overall total number of families sureveyed=72*64.
The probability of having 6 babies in order of GBBBBG is
Hence the total families are
Hence answer is 72.
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