A shampoo production line operates with a mean filling weight of 16 ounces per container. From past data, it can be assumed that the populationstandard deviation is 0.8 ounces. A quality control inspector randomly selects 50 items off the line to determine if the production line has drifted towardsunderfilling each container. Which of the following best describes the sampling distribution of -?O A.- is not approximately normal because the sample size is not large enoughO B. - is not approximately normal because the population distribution is not givenO C. is approximately normal because the sample size is largeO D.- is approximately normal because it is always approximately normalOE.is normal because the population distribution is normal

The given sample size is 50, sample mean is 16, and known population standard deviation is 0.8.

Answered: A shampoo production line operates with…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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The diameter of a brand of tennis balls is approximately normally distributed, with a mean of 2.65 inches and a standard deviation of 0.06 inch. A random sample of 12 tennis balls is selected. Complete parts (a) through (d) below. a. What is the sampling distribution of the mean? O A. Because the population diameter of tennis balls is approximately normally distributed, the sampling distribution of samples of size 12 will also be approximately normal. B. Because the population diameter of tennis balls is approximately normally distributed, the sampling distribution of samples of size 12 will not be approximately normal. C. Because the population diameter of tennis balls is approximately normally distributed, the sampling distribution of samples of size 12 will be the uniform distribution. D. Because the population diameter of tennis balls is approximately normally distributed, the sampling distribution of samples of size 12 cannot be found. b. What is the probability that the sample…
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