8.4.51 Question Help A pol in one country indicated that 40% favor posing the de

Question

8.4.51 Question Help A pol in one country indicated that 40% favor posing the death penalty the country currently does not have it Polls of this size are considered to be accurate to within 2.4 The poll dd not re the sample size but state percentage points 99% ofthe time-About how large was the sample see? Click here to view page 1 of the standard normal curnulative probabilities table Click here to view page 2 of About how large was the sample size? n(Round up to the nearest integer) est 8 Incorrec

Explanation / Answer

Ans:

Given that

p=0.49

confidence level=0.99

z=2.576

Margin of error,E=0.024

Sample size,n=2.576^2*0.49*(1-0.49)/0.024^2

n=2879

*(if z=2.58 has to be used,the n=2888)

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