Mathematics, 06.03.2020 22:45 dubouuu
A highway engineer knows that his crew can lay 5 miles of highway on a clear day, 2 miles on a rainy day, and only 1 mile on a snowy day. Suppose the probabilities are as follows: A clear day: .6, a rainy day: .3, a snowy day: .1. What are the mean and variance?
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A highway engineer knows that his crew can lay 5 miles of highway on a clear day, 2 miles on a rainy...
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