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0/1 pt 11 Details
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A manufacturer produces a commodity where the length of the commodity has
approximately normal distribution with a mean of 12.5 inches and standard deviation
of 1.2 inches. If a sample of 34 items are chosen at random, what is the probability
the sample's mean length is greater than 12.1 inches? Round answer to four decimal
places.
Hint: Be sure to use the standard error.
Enter an integer or decimal number [more..]
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