The average annual retum over the period 1886-2006 for stocks that comprise the S&P 500 is 8%, and the standard deviation of retums is 25%. Based on these numbers what is a 95% confidence interval for 2007 returns? OA -27%, 43% OB. -32%, 48% OC. -42%, 58% D. -21%, 29%
The average annual retum over the period 1886-2006 for stocks that comprise the S&P 500 is 8%, and the standard deviation of retums is 25%. Based on these numbers what is a 95% confidence interval for 2007 returns? OA -27%, 43% OB. -32%, 48% OC. -42%, 58% D. -21%, 29%
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 11PPS
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![The average annual return over the period 1886-2006 for stocks that comprise the S&P 500 is 8%, and the standard deviation of retums is 25%. Based on these numbers what is a 95% confidence
interval for 2007 returns?
OA -27%, 43%
OB. -32%, 48%
OC. -42%, 58%
D. -21%, 29%](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9cafa215-c711-4fa5-be08-19544cddb0b6%2F4f90030d-ea94-4191-a0c4-12cc9b89a139%2Fsh3wegg_processed.jpeg&w=3840&q=75)
Transcribed Image Text:The average annual return over the period 1886-2006 for stocks that comprise the S&P 500 is 8%, and the standard deviation of retums is 25%. Based on these numbers what is a 95% confidence
interval for 2007 returns?
OA -27%, 43%
OB. -32%, 48%
OC. -42%, 58%
D. -21%, 29%
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