Purchased a laptop computer for use during exams

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Reference no: EM131710842

Question 1: An undergraduate business student has purchased a laptop computer for use during exams. This laptop is perfectly reliable except for two parts: its microchip, which has a failure rate of one in every 15 hours of operation; and its battery, which has a failure rate of one in every 30 hours of operation.

Assuming that a new battery has just been installed, what is the probability that the battery will FAIL during a 1 hour exam?

Question 2:

An undergraduate business student has purchased a laptop computer for use during exams. This laptop is perfectly reliable except for two parts: its microchip, which has a failure rate of one in every 25 hours of operation; and its battery, which has a failure rate of one in every 40 hours of operation.

Assuming that a new battery has just been installed, what is the probability that the LAPTOP will FAIL during a 1 hour exam?

Question 3:

Assuming that a new battery has just been installed, what is the probability that the LAPTOP will perform reliably during a 1 hour exam?

Question 4:

An undergraduate business student has purchased a laptop computer for use during exams. This laptop is perfectly reliable except for two parts: its microchip, which has a failure rate of one in every 15 hours of operation; and its battery, which has a failure rate of one in every 20 hours of operation

Assuming that a new battery has just been installed and the student brings one spare, fully charged battery with him, what is the probability that the LAPTOP will perform reliably during a 3 hour exam?

Reference no: EM131710842

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