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erma4kov [3.2K]
3 years ago
12

FK+M=A-UK solve for K

Mathematics
1 answer:
Elanso [62]3 years ago
3 0
FK+M=A-UK
FK-UK=A-M
(F-U)K=A-M
K=(A-M)/(F-U)
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The head of maintenance at XYZ Rent-A-Car believes that the mean number of miles between services is 2135 miles, with a variance
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Answer:

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Given that:

Mean number of miles (m) = 2135 miles

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probability that the mean of a sample of 40 cars would differ from the population mean by less than 29 miles

P( 2135 - 29 < z < 2135 + 29)

Z = (x - m) / s /√n

Z = [(2106 - 2135) / 382 / √40] < z < [(2164 - 2135) / 382 / √40]

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= 0.36878

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