# Question: The number of pages printed before replacing the cartridge in

The number of pages printed before replacing the cartridge in a laser printer is normally distributed with a mean of 11,500 pages and a standard deviation of 800 pages. A new cartridge has just been installed.

a. What is the probability that the printer produces more than 12,000 pages before this cartridge must be replaced?

b. What is the probability that the printer produces fewer than 10,000 pages?

a. What is the probability that the printer produces more than 12,000 pages before this cartridge must be replaced?

b. What is the probability that the printer produces fewer than 10,000 pages?

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