Question
In: Statistics and Probability
An undergraduate business student has purchased a laptop computer for use during exams. This laptop is...
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 twenty hours of operation; and its battery, which has a failure rate of one in every ten hours of operation. Also, on average the battery will wear out in five hours, with a standard deviation of 30 minutes. Assuming that a new battery has just been installed, what is the probability that the battery will perform reliably during a one-hour exam?
Solutions
Expert Solution
answer:
given data,
- probability of failure of microchip =1/20 and ,
- probability of failure of microchip =1/10 and ,
- probability of failure of battery= 1/30,
to find the probability of the battery will perform to reliably during the one-hour of the exam is ....?
the
probability is shown in the below step by step,
here we are
know as the values is already
now the
probability is,
the battery
perform probability in 1 hour is
its the
probability is write as the
1/20+1/10 +
1/30
0.05+0.10+0.0333333
0.183333
therefore
0.183333
so finally the probability is 0.0833
| 0.0833 |
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