Question: 1. A DVD Burner has a mean time between failures of 79 weeks. Find the probability that the unit will not last 64 weeks. 2.

1. A DVD Burner has a mean time between failures of 79 weeks. Find the probability that the unit will not last 64 weeks.

2. A DVD Burner has a mean time between failures of 81 weeks. Find the probability that the unit will last at least 88 weeks.

3. A DVD Burner has a mean time between failures of 82 weeks. Find the probability that the unit will fail between 62 and 92 weeks in other words, find P (62 < t < 92)

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