Question

1.8 In another Harris Poll of 1144 adult Americans, 306 people felt that the U.S. Constitution should be amended to have presidential elections decided by popular vote rather than by the electoral college. Find the statistic p and estimate the standard error SEp.

Answer 1

Given that Harries poll of 1144 adult americans 306 felt u.s sample proportion , p = 306/1144 = 153/572 appoximatelyequalto 0.267483. P = 0.267483 therefore here p is used for true proportion Given n = 1144 p = 153/572. Standard error of p is sp = squareroot of p tines (1-p)/n = squareroot 153/572 times 419/572 /1144 aproximatelyequalto 0.013087 aproximatelyequalto