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18.07.2020 •
Mathematics
Annie and Alvie have agreed to meet for lunch between noon (0:00 p.m.) and 1:00 p.m. Denote Annie's arrival time by X, Alvie's by Y, and suppose X and Y are independent with the following pdf's.
f(x)= 3x^2 0<=x<=1
0 Otherwise
f(y)= 2y 0<= y< =1
0 Otherwise
Required:
What is the expected amount of time that the one who arrives first must wait for the other person?
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Ответ:
12,376
Step-by-step explanation:
Given
Connie has 17 Pairs of jeans
She has to choose 6 pairs out of 17
We know, no of ways to pick r items out of n items is