The distribution of actual weights of 8 oz. chocolate bars produced by a certain machine is normal with a mean of 8.1 oz. and a standard deviation of 0.1 oz. What weight should be put on the chocolate bar wrappers so that only 0.5% of bars are underweight?

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A: Given Information: Mean (u) = 30 thousand miles  Standard deviation (s) = 12

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A: Note: Please repost 2nd question as i can answer only 1 question as per my policy. 1) Given…

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A: Using property of empirical rule we can easily find out the required percentage

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A: The 68-95-99.7% (Empirical) Rule: For a normal distribution, the empirical rule (68-95-99.7% Rule)…

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A: Answer :

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Q: A

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Q: The Virginia Cooperative Extension reports that the mean weight of yearling Angus steers is 1152…

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A: Question is incomplete. Please upload the complete question. I can do these type of questions with…

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Q: Among the female in a certain country between the age of 18 and 74 years of age, diastolic blood…

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Q: sample of 25 cappuccinos shows a mean of 42.1 oz of espresso and a standard deviation of 0.38 oz. A…

A: Given: Sample size, n = 25 Sample mean,  = 42.1 Standard deviation, s = 0.38

Q: A set of data items is normally distributed with a mean of 60 and a standard deviation of 9. Convert…

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