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,
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 MTBF = 25 hoursand its battery, which has a MTBF =20 hours.
Assuming that a new battery has just been installed, what is the probability that the battery will perform reliably during a 3 hour exam?
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 MTBF = 15 hoursand its battery, which has a MTBF =40 hours.
Assuming that a new battery has just been installed, what is the probability that the LAPTOPwillperform reliably during a 3 hour exam?
3. 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 MTBF = 25 hoursand its battery, which has a MTBF =40 hours.
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 4 hour exam?
Please provide correct answer
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Business and Administrative Communication
Authors: Kitty o. locker, Donna s. kienzler
10th edition
77830105, 978-0077830106, 978-0073403182
