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In: Statistics and Probability

The quarterly returns for a group of 58 mutual funds with a mean of 3.4​% and...

The quarterly returns for a group of 58 mutual funds with a mean of 3.4​% and a standard deviation of 4.3​% can be modeled by a Normal model. From these​ funds, find the cutoff return​ value(s) that would separate the ​

a) highest 30​%.

​b) lowest 40​%.

​c) middle 60​%.

​d) highest 60​%.

​a) Select the correct choice and fill in any answer boxes in your choice below. ​(Round to two decimal places as​ needed.)

A. nothing​%less thanxless than nothing​%

B. xgreater than nothing​%

C. xless than nothing​% ​

b) Select the correct choice and fill in any answer boxes in your choice below. ​(Round to two decimal places as​ needed.)

A. xless than nothing​%

B. xgreater than nothing​%

C. nothing​%less thanxless than nothing​%

​c) Select the correct choice and fill in any answer boxes in your choice below. ​(Round to two decimal places as​ needed.)

A. xgreater than nothing​%

B. nothing​%less thanxless than nothing​%

C. xless than nothing​%

​d) Select the correct choice and fill in any answer boxes in your choice below. ​(Round to two decimal places as​ needed.)

A. nothing​%less thanxless than nothing​%

B. xgreater than nothing​%

C. xless than nothing​%

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