Erickson Harrington
09/22/2023 · Junior High School

Find the indicated probability and interpret the result. From 1975 through 2020 , the mean annual gain of the Dow Jones Industrial Average was 653 . 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 \( \sigma=1541 \).

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\( \sqrt{2} \).

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