Three small related statistic questions 1 732 registered v

Three small - related statistic questions !

1. 732 registered voters were polled and 183 of the voters indicated that they would vote for incumbent Senator Foghorn during the next election. Estimate p, the true proportion of Foghorn\'s supporters. (1) 2. Use data in problem 1 to construct a 95% confidence interval for p. (1) 3. Specify the margin of error of the confidence interval constructed in problem 2 as both a decimal and a percentage. (1)

Solution

1) 732 REGISTERED VOTERS AND POLLED BUT 183 INDICATE FOR SENATOR

PROBABILITY = 183/732=0.25

SO 0.25*100 = 25%