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soldier1979 [14.2K]
3 years ago
8

Can you shade this please​

Mathematics
1 answer:
Bumek [7]3 years ago
4 0

Answer:

Step-by-step explanation:

✔️It’s a null set

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This question not incomplete

Complete Question

The life of a semiconductor laser at a constant power is normally distributed with a mean of 7,000 hours and a standard deviation of 600 hours. If three lasers are used in a product and they are assumed to fail independently, the probability that all three are still operating after 7,000 hours is closest to? Assuming percentile = 95%

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Step-by-step explanation:

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= 1 - 0.95

= 0.05

If three lasers are used in a product and they are assumed to fail independently, the probability that all three are still operating after 7,000 hours is calculated as:

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