Question: 1. A DVD Burner has a mean time between failures of 82 weeks. Find the probability that the unit will not last 66 weeks. 2.

1. A DVD Burner has a mean time between failures of 82 weeks. Find the probability that the unit will not last 66 weeks.

2. A DVD Burner has a mean time between failures of 83 weeks. Find the probability that the unit will last at least 93 weeks.

3. A DVD Burner has a mean time between failures of 76 weeks. Find the probability that the unit will fail between 70 and 91 weeks in other words, find P (70 < t < 91)

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