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OpenStudy (anonymous):
NEDD HELP WILL MEDAL!!! A sample of 81 was taken from a population with a standard deviation of 45 kilograms. If the sample mean was 112 kilograms, the mean of any other sample of 81 will be within what range 95% of the time? A. 107 kilograms to 117 kilograms B. 97 kilograms to 127 kilograms C. 92 kilograms to 132 kilograms D. 102 kilograms to 122 kilograms
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OpenStudy (mathwizzard3):
D
OpenStudy (anonymous):
how come?
OpenStudy (weasel123):
OpenStudy (wendy.ivette11714):
@billybrooks1234 http://openstudy.com/updates/55331d1fe4b05092e55ca999
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