Widows A recent study indicated that 20% of the 172 women over age ss in the study were widows. Round up your answers to the next whole number for the following questions. If no estimate of the sample proportion is available, how large shouldthe sample be?n= How large a sample must you take to be 99% confident that the estimateis within 0.02 of the true proportion of women over age 55 who arewidows?n=

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Answered: Widows A recent study indicated that…

Widows A recent study indicated that 20% of the 172 women over age ss in the study were widows. Round up your answers to the next whole number for the following questions.

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

Widows A recent study indicated that 20% of the 172 women over age ss in the study were widows. Round up your answers to the next whole number for the following questions.

If no estimate of the sample proportion is available, how large should
the sample be?
n=

How large a sample must you take to be 99% confident that the estimate
is within 0.02 of the true proportion of women over age 55 who are
widows?
n=

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