The quarterly returns for a group of 55 mutual funds are well modeled by a Normal model with a mean of 8.4% and a standard deviation of 1.9%. Use the 68-95-99.7 Rule to find the cutoff values that would separate the following percentages of funds, rather than using technology to find the exact values. a) the highest 50% b) the highest 16% c) the lowest 2.5%

The quarterly returns for a group of 55 mutual funds are well modeled by a Normal model with a mean of 8.4% and a standard deviation of 1.9%. Use the 68-95-99.7 Rule to find the cutoff values that would separate the following percentages of funds, rather than using technology to find the exact values. a) the highest 50% b) the highest 16% c) the lowest 2.5%

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 14PPS

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Question

Select the correct choice (i, ii, or iii) for each a, b, c, d, and fill in any answer boxes in your choice below.

(Round to one decimal place as needed.)

x ≤ ___ %

ii.

x ≥ ___%

iii.

___% ≤ x ≤ ___%

The quarterly returns for a group of 55 mutual funds are well modeled by a Normal model with a mean of 8.4% and a standard deviation of 1.9%. Use the 68-95-99.7
Rule to find the cutoff values that would separate the following percentages of funds, rather than using technology to find the exact values.
a) the highest 50%
b) the highest 16%
c) the lowest 2.5%
d) the middle 68%

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