A particular fruit's weights are normally distributed, with a mean of 503 grams and a standard deviation of 10 grams. If you pick 12 fruit at random, what is the probability that their mean weight will be between 496 grams and 509 grams
Added by Raul T.
Step 1
The standard deviation of the mean is the standard deviation of the population divided by the square root of the sample size. In this case, the standard deviation of the mean is 10 grams / sqrt(12) = 2.89 grams. Show more…
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