Mathematics, 04.11.2020 18:30 chloe1226
If X is an exponential random variable with a mean of 5 units. A new random variable Y is defined as follows: Y XX = > [ | 5] Find the pdf of Y and the mean of Y.
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Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.
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