Joseph Paul
06/04/2024 · Senior High School
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 \( \sigma=1541 \). The probability is (Round to four decimal places as needed.)
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The probability that the mean gain for the sample was between 500 and 800 is approximately 0.4187.
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