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MariettaO [177]
2 years ago
8

Mr. Harmin is sitting in his office on the third floor of a building. He is at an elevation of 30 feet in relation to street lev

el. Mr. Ehrig is in the parking garage at an elevation of –35 feet, and Mrs. White is in the parking garage at an elevation of –25 feet in relation to street level. Which statements are true? Check all that apply. Mr. Harmin is closest to street level. Mr. Ehrig is at the lowest elevation. Mrs. White is closest to street level. Mr. Harmin is closer to street level than Mrs. White. Mrs. White is at the highest elevation.
Mathematics
1 answer:
Ira Lisetskai [31]2 years ago
7 0

Answer:

Mr. Ehrig is at the lowest elevation. AND .Mrs. White is closest to street level.

Step-by-step explanation:

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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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