Asked by Anonymous
A large shipment of Granny Smith apples arrives at a grocery store. Weights of the apples are known to follow a normal distribution with mean 139 grams and standard deviation 9 grams.
1)If you select a random sample of 50 apples, what is the probability that the total weight of the apples is greater than 6853.9 grams?
1)If you select a random sample of 50 apples, what is the probability that the total weight of the apples is greater than 6853.9 grams?
Answers
Answered by
PsyDAG
6853.9/60 = 114.23 per apple, the score
Z = (score-mean)/SD
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability related to the Z score.
Z = (score-mean)/SD
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability related to the Z score.
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