Find the indicated probability and interpret the result. 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 400 and 700? Assume σ = 1539. 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 OB. About OC. About OD. About % of samples of 32 years will have an annual mean gain between 652 and 700. % of samples of 46 years will have an annual mean gain between 400 and 700. % of samples of 32 years will have an annual mean gain between 400 and 700. % of samples of 32 years will have an annual mean gain between 400 and 652.
Find the indicated probability and interpret the result. 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 400 and 700? Assume σ = 1539. 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 OB. About OC. About OD. About % of samples of 32 years will have an annual mean gain between 652 and 700. % of samples of 46 years will have an annual mean gain between 400 and 700. % of samples of 32 years will have an annual mean gain between 400 and 700. % of samples of 32 years will have an annual mean gain between 400 and 652.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 8PPS
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Find the indicated probability and interpret the result.
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 400 and
700? Assume σ = 1539.
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
B. About
OC. About
D. About
% of samples of 32 years will have an annual mean gain between 652 and 700.
% of samples of 46 years will have an annual mean gain between 400 and 700.
% of samples of 32 years will have an annual mean gain between 400 and 700.
% of samples of 32 years will have an annual mean gain between 400 and 652.
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