Predictions About a Population Proportion

Fill in the Blanks

What is your estimate from that last slide?

Multiple Choice

Answer to the question on the last slide?

• A

• B

• C

• D

Fill in the Blanks

What size sample should be obtained if he wishes the estimate to be within 0.02 with 90% confidence if 

(a) he uses a 2010 estimate of 0.669 obtained from the U.S. Census Bureau?

Fill in the Blanks

What size sample should be obtained if he wishes the estimate to be within 0.02 with 90% confidence if 

(b) he does not use any prior estimates?