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(Solved): From 1975 through 2020, the mean annual gain of the Dow Jones Industrial Average was 652 . A random ...




From 1975 through 2020, the mean annual gain of the Dow Jones Industrial Average was 652 . A random sample of 32 years is sel
From 1975 through 2020, the mean annual gain of the Dow Jones Industrial Average was 652 . A random sample of 32 years is selected from this population. What is the probability that the mean gain for the sample was between 500 and 800 ? Assume \( \sigma=1541 \). The probability is (Round to four decimal places as needed.) Interpret the result. Select the correct choice and fill in the answer box to complete your choice. (Round to two decimal places as needed.) A. About \% of samples of 32 years will have an annual mean gain between 500 and 800 . B. About \% of samples of 32 years will have an annual mean gain between 500 and 652 . C. About \( \% \) of samples of 46 years will have an annual mean gain between 500 and 800 . D. About \% of samples of 32 years will have an annual mean gain between 652 and 800 .


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Given that, Sample n=32 Mean x?=652 standard deviation ?=1,541 The probability
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