Calculate the probability of each one

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Reference no: EM131820395

A business has six customer service telephone lines. Let x denote the number of lines in use at a specified time. Suppose that the probability distribution of x is as follows:

272_six customer service telephone lines.png

Write each of the following events in terms of x, and then calculate the probability of each one:

a. At most three lines are in use

b. Fewer than three lines are in use

c. At least three lines are in use

d. Between two and five lines (inclusive) are in use

e. Between two and four lines (inclusive) are not in use

f. At least four lines are not in use

Reference no: EM131820395

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