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A researcher wishes to estimate the percentage of adults who support abolishing the penny. What size sample should be obtained if he wishes the estimate to be within 4 percentage points with 99% confidence if (a) he uses a previous estimate of 34%? (b) he does not use any prior estimates? Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). (a) n= (Round up to the nearest integer.) (b) n= (Round up to the nearest integer.) Submit t Sign out O us 9 O 1 hp esc #3 2$ & 081 2 3 4 u e

A researcher wishes to estimate the percentage of adults who support abolishing the penny. What size sample should be obtained if he wishes the estimate to be within 4 percentage points with 99% confidence if (a) he uses a previous estimate of 34%? (b) he does not use any prior estimates? Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). (a) n= (Round up to the nearest integer.) (b) n= (Round up to the nearest integer.) Submit t Sign out O us 9 O 1 hp esc #3 2$ & 081 2 3 4 u e

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A researcher wishes to estimate the percentage of adults who support abolishing the penny. What size sample should be obtained if he wishes the estimate to be within 4 percentage points with 99% confidence if (a) he uses a previous estimate of 34%? (b) he does not use any prior estimates? Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). (a) n= (Round up to the nearest integer.) (b) n= (Round up to the nearest integer.) Submit te Sign out O us 9 O 14 hp 女 esc 2# 2$ & 8 2 3 5 e
Transcribed Image Text:A researcher wishes to estimate the percentage of adults who support abolishing the penny. What size sample should be obtained if he wishes the estimate to be within 4 percentage points with 99% confidence if (a) he uses a previous estimate of 34%? (b) he does not use any prior estimates? Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). (a) n= (Round up to the nearest integer.) (b) n= (Round up to the nearest integer.) Submit te Sign out O us 9 O 14 hp 女 esc 2# 2$ & 8 2 3 5 e
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