In the last quarter of 2007, a group of 64 mutual funds had a mean return of 4.1% with a standard deviation of 6.9%. If a nor

Question

3 years ago

5

In the last quarter of 2007, a group of 64 mutual funds had a mean return of 4.1% with a standard deviation of 6.9%. If a nor

mal model can be used to model them, what percent of the funds would you expect to be in each region? Use the 68-95-99.7 rule to approximate the probabilities rather than using technology to find the values more precisely. Be sure to draw a picture first. a) Returns of negative 2.8% or less b) Returns of 4.1% or more c) Returns between negative 16.6% and 24.8% d) Returns of more than 17.9% a) The expected percentage of returns that are negative 2.8% or less is nothing%. (Type an integer or a decimal.) b) The expected percentage of returns that are 4.1% or more is nothing%. (Type an integer or a decimal.) c) The expected percentage of returns that are between negative 16.6% and 24.8% is nothing%. (Type an integer or a decimal.) d) The expected percentage of returns that are 17.9% or more is nothing%. (Type an integer or a decimal.)

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1 answer:

Anna [14] · Answer 1 · 2022-08-25T19:00:54+03:00

Anna [14]3 years ago

5 0

Answer:

A) 16%

B) 50%

C) 99.7%

D) 2.5%

Explanation:

In the last quarter of​ 2007, a group of 64 mutual funds had a mean return of 4.1​% with a standard deviation of 6.9​%. If a nor

In the last quarter of 2007, a group of 64 mutual funds had a mean return of 4.1% with a standard deviation of 6.9%. If a nor