Mathematics, 26.10.2019 18:43, measheaj

14.
for exercises 7 through 25, assume that the sample is taken
from a large population and the correction factor can be
ignored. on no 2000 o algo
7. life of smoke detectors the average lifetime of smoke
detectors that a company manufactures is 5 years, or 60
months, and the standard deviation is 8 months. find the
probability that a random sample of 30 smoke detectors
will have a mean lifetime between 58 and 63 months.

Answers: 1

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14.
for exercises 7 through 25, assume that the sample is taken
from a large population...