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OpenStudy (anonymous):
PLEASE HELP: STATISTICS Mean = 50 kg Standard deviation = 1.25 kg If we are unable to adjust the mean but can adjust the standard deviation, what would the standard deviation need to be so that no more than 2% of all bags weight more than 52kg?
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OpenStudy (amistre64):
\[Z_{2\%}=\frac{52-50}{sd}\] \[sd=\frac{52-50}{Z_{2\%} }\]
OpenStudy (amistre64):
might want to consider what a cumulative distribution of 2% has a z score of ...
OpenStudy (anonymous):
.53?
OpenStudy (anonymous):
is that wrong?
OpenStudy (amistre64):
|dw:1381233491442:dw|
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