What is the probability, p1, (assuming that the past pattern of variation continues) that the mean annual return on common stocks over the next 40 years will exceed 10%? Give your answer to two decimal places. p1=     What is the probability, ?2 that the mean return will be less than 5%? Give your answer to two decimal places. p2=

MATLAB: An Introduction with Applications
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Chapter1: Starting With Matlab
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Andrew plans to retire in 40 years. He plans to invest part of his retirement funds in stocks, so he seeks out information on past returns. He learns that from 1969 to 2018, the annual returns on S&P 500 had mean 9.8% and standard deviation 16.8%. The mean return over even a moderate number of years is close to Normal.

 

What is the probability, p1, (assuming that the past pattern of variation continues) that the mean annual return on common stocks over the next 40 years will exceed 10%? Give your answer to two decimal places.

p1=
 
 

What is the probability, ?2 that the mean return will be less than 5%? Give your answer to two decimal places.

p2=
 
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