A husband and wife both have brown eyes but carry genes that make it possible for their
Question:
A husband and wife both have brown eyes but carry genes that make it possible for their children to have brown eyes (probability 0.75), blue eyes (0.125), or green eyes (0.125).
(a) What is the probability the first blue-eyed child they have is their third child? Assume that the eye colors of the children are independent of each other.
(b) On average, how many children would such a pair of parents have before having a blue-eyed child? What is the standard deviation of the number of children they would expect to have until the first blue-eyed child?
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To solve both parts of the problem we can use the concept of a geometric distribution which models t...View the full answer
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Related Book For 
OpenIntro Statistics
ISBN: 9781943450077
4th Edition
Authors: David Diez, Mine Çetinkaya-Rundel, Christopher Barr
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