Vodacom, uses a large number of common batteries in one of its most popular lines they found that the average time to of phones. After testing a large number of them." failure is 1/%= 8000 hours. a) What is the probability that a component will fail within 1500 hours? b. What is the probability that a composant will fail after 8800 hours?

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Question 7.
[5]
Vodacom, uses a large number of common batteries in one of its most popular lines
of phones. After testing a large number of them, they found that the average time to
failure is 1/2, 8000 hours.
a) What is the probability that a component will fail within 1500 hours?
b. What is the probability that a component will fail after 8800 hours?
Transcribed Image Text:Question 7. [5] Vodacom, uses a large number of common batteries in one of its most popular lines of phones. After testing a large number of them, they found that the average time to failure is 1/2, 8000 hours. a) What is the probability that a component will fail within 1500 hours? b. What is the probability that a component will fail after 8800 hours?
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