Linda Silbers is a social scientist studying voter opinion about a city bond proposal for a light-rail mass transit system in Denver. Linda wants to be 95% sure that her sample estimate of the proportion of voters who favor the bond is in error by no more than 5%. How large a sample should she use? estimate the proportion of voters who favor the bond. She wants If a preliminary study showed that is approximately 73%, she should use a sample of voters. If she has no preliminary estimate for p, she should use a sample of voters.

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QUESTION 12
Linda Silbers is a social scientist studying voter opinion about a city bond proposal for a light-rail mass transit system in Denver. Linda wants to estimate the proportion of voters who favor the bond. She wants
to be 95% sure that her sample estimate of the proportion of voters who favor the bond is in error by no more than 5%. How large a sample should she use?
If a preliminary study showed that is approximately 73%, she should use a sample of
voters.
If she has no preliminary estimate for p, she should use a sample of
P.
voters.
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Transcribed Image Text:QUESTION 12 Linda Silbers is a social scientist studying voter opinion about a city bond proposal for a light-rail mass transit system in Denver. Linda wants to estimate the proportion of voters who favor the bond. She wants to be 95% sure that her sample estimate of the proportion of voters who favor the bond is in error by no more than 5%. How large a sample should she use? If a preliminary study showed that is approximately 73%, she should use a sample of voters. If she has no preliminary estimate for p, she should use a sample of P. voters. Click Save and Submit to save and submit. Click Save All Answers to save all answers. Save All Ar P Type here to search (13 DELL AMDA A9 Emad F9 F10 F11 F12 F7 144 F5 F2 F3 F4 Esc F1 Home Backspace Print Screen Break %23 %24 8. 3 4 5 PoDn Delete End R Enter H J K F G Shift C V Ctri Fn Alt
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