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At a certain high school the distribution of backpack weight is approximately normal with mean 19.7 pounds and standard deviation 31 pounds. A random sample of backpacks will be selected, and the weight, in pounds, of each backpack will be recorded. For samples of size 5, which of the following is the best interpretation of P(x > 22) = 0,067 The probabilty that each of the backpacks selected will have a wright above 22 pounds is approximately 0.05. The probability that each of the Shackpacks bected will have a weight above 19.7 pounds is approximately 0.05. c) The probability that the population mean in greater than 22 pounds is approximately 0.05 D) For al samples of size 5, approximately 5% of the sample will have a probability greater than 22 pounds E For all samples of size 5. the probability that the sample mean will be greater than 22 pounds is approximately 05,

1 Answer

6 votes

Answer:

45 grapes

Explanation:

23

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