Let y bethe num of gallons ordered find the probability

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A chemicalsupply company ships a certain solvent in 10 gallon drums. Let X represent the number of drums ordered by a randomly chosen customer. Assume X has the following probability mass function:

x

1

2

3

4

5

P(x)

0.4

0.2

0.2

0.1

0.1

A) Determine the cumulative distribution functionfor X.

B) Let Y bethe num. of gallons ordered. Find the probability mass function of Y.

C) Find the mean and varianceof the number of gallons ordered.

Reference no: EM13632905

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