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A researcher wishes to estimate the percentage of adults who support abolishing the penny. What...

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Basic Math

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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 bewithin 5 percentage points with 90% confidence if(a) he uses a previous estimate of 25%?(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 =(b) n =(Round up to the nearest integer.)(Round up to the nearest integer.)

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