SOLUTION: Mr. and Mrs. Doran have a genetic history such that the probability that a child being born to them with a certain trait is 4/5. If they have seven children, what is the probabilit
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Question 1205585: Mr. and Mrs. Doran have a genetic history such that the probability that a child being born to them with a certain trait is 4/5. If they have seven children, what is the probability that exactly one of their seven children will have that trait? Round your answer to the nearest thousandth.
You can put this solution on YOUR website! Mr. and Mrs. Doran have a genetic history such that the probability that a child being born
to them with a certain trait is 4/5. If they have seven children, what is the probability
that exactly one of their seven children will have that trait?
Round your answer to the nearest thousandth.
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It is a binomial distribution problem with n = 7 trials, probability p = 4/5 of a "success"
at each individual trial and k= exactly one success.
Use the standard formula for the probability of such event
P = = = 0.000358 (rounded). ANSWER
You may round further as you need.
