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 34 years is selected from this population. What is the probability that the mean gain for the sample was between 500 and 700? Assume σ = 1540. The probability is 2904. (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 OB. About OC. About OD. About % of samples of 34 years will have an annual mean gain between 500 and 653. I % of samples of 34 years will have an annual mean gain between 500 and 700. % of samples of 46 years will have an annual mean gain between 500 and 700. % of samples of 34 years will have an annual mean gain between 653 and 700.
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 34 years is selected from this population. What is the probability that the mean gain for the sample was between 500 and 700? Assume σ = 1540. The probability is 2904. (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 OB. About OC. About OD. About % of samples of 34 years will have an annual mean gain between 500 and 653. I % of samples of 34 years will have an annual mean gain between 500 and 700. % of samples of 46 years will have an annual mean gain between 500 and 700. % of samples of 34 years will have an annual mean gain between 653 and 700.
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Transcribed Image Text: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 34
years is selected from this population. What is the probability that the mean gain for the sample was between 500 and
700? Assume σ = 1540.
The probability is 2904
(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.)
O A. About
OB. About
OC. About
OD. About
% of samples of 34 years will have an annual mean gain between 500 and 653.
% of samples of 34 years will have an annual mean gain between 500 and 700.
% of samples of 46 years will have an annual mean gain between 500 and 700.
% of samples of 34 years will have an annual mean gain between 653 and 700.
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