Mathematics, 28.10.2020 16:30 19thomasar
The total number of hours, in units of 100 hours, that a family runs a vacuum cleaner over a period of one year is a random variable X having the density function given in Exercise 4.13 on page 117. Find the variance of X.
Answers: 2
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If the cost to mail a package is an initial $5 and $0.28 for every pound the total cost to mail a package was $11.27, how much did the package weigh?
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One positive integer is 2 less than another. the product of the two integers is 24. what are the integers?
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If johnny ate 5 cans of sugar, but in the kitchen they only had 3. what did johnny eat? (he found a secret stash btw.)
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The total number of hours, in units of 100 hours, that a family runs a vacuum cleaner over a period...
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