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 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 ...

a P x 3 p 0 p 1 p 2 p 3 010 015 020 025 070 b P x 3 p 0 p 1 p 2 010 015 02 ...

A business has six customer service telephone lines. Let x denote the number of lines in use

Question:

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 of x is as follows:

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

Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...