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castortr0y [4]
3 years ago
14

A sample of 49 observations is taken from a normal population with a standard deviation of 10. the sample mean is 55. determine

the 99% confidence interval for the population mean. (round your answers to 2 decimal places.)
Mathematics
1 answer:
Anna35 [415]3 years ago
3 0
The answer I think is D.
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