Mathematics, 04.04.2020 10:07 jazmineeverett1
Chocolate bars produced by a certain machine are labeled with 8.0 oz. The distribution of the acutal weights of these chocolates bars is Normal with a mean of 8.1 oz and a standard deviation of 0.1oz. A chocolate bar is considered underweight if it weighs less then 8.0 oz.
(A) What proportion of chocolate bars wieghs less then 8.0 oz?
(B) What propertion of chocolate bars weighs between 8.2 and 8.3 oz?
(C) How should the chocolate bar wrappers be labeled so that only 1% of such bars are underwight?
Answers: 3
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