Question

DULU SUN 2. value 10.00 points In the upcoming election for governor, the most recent poll, based on 900 respondents, predicts that the incumbent will be reelected with 55 percent of the votes. What is ;? 0.00825 O 0166 O 0247 O 0003 References Multiple Choice Difficulty: 2 Medium Learning Objective: 07-03 Describe and use the sampling distribution of the sample proportion 2019 Me Gw l Education. All rights reserved

Answer 1

$\sigma _{\hat{p}}=\sqrt{} \frac{p(1-p)}{n}$

Here, p = 0.55 and n = 900

$\sigma _{\hat{p}}=\sqrt{} \frac{0.55(0.45)}{900}$$= 0.01658$

So, the answer is 0.0166