DLP Projectors Are Used in the Majority of Cinema Projection

question 83

Multiple Choice

DLP projectors are used in the majority of cinema projection systems and require a special light bulb to display a picture. Assume that the average life of a DLP bulb is 2,000 hours and that this failure time follows the exponential distribution. What is the probability that a randomly selected bulb will last between 1,500 and 2,200 hours?

• A)0.3648
• B)0.2530
• C)0.1395
• D)0.1956

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