# Question

Assuming the appropriate probability distribution for the situation described in the preceding problem:

a. Find the probability that the system will last 100,000 hours or more (twice the average lifetime).

b. The system is guaranteed to last at least 5,000 hours. What percentage of production is expected to fail during the guarantee period?

a. Find the probability that the system will last 100,000 hours or more (twice the average lifetime).

b. The system is guaranteed to last at least 5,000 hours. What percentage of production is expected to fail during the guarantee period?

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