Slove the Following: #1. If n=490 and ˆpp^ (p-hat) =0.46, find the margin of error at a 99% confidence level. Give your answer to three decimals

The CEO of a large electric utility claims that at least 80 percent of his one million customers are very satisfied with the service they receive. A local newspaper surveyed 300 customers randomly. 73 percent said they were very satisfied. The test statistic is (Round answer to two decimal places. Do not write 0.12 as .12.)

A magazine provided results from a poll of 500 adults who were asked to identify their favorite pie Among the 500 respondents, 13% chose chocolate pie, and the margin of error was given as +4 percentage points. What values do p, q, n, E, and p represent? If the confidence level is 95%, what is the value of a? The value of p is The value of q is The value of n is The value of E is The value of p is If the confidence level is 95%, what is the value of a? (Type an integer or a decimal. Do not round.)

Last year over 7000 students took an entrance exam at a certain state university. Kareem's score was at the 44th percentile. Lella's score was at the 93rd percentile. (a) Which of the following must be true about Kareem's and Leila's scores? Both Kareem and Leila scored higher than the median. O Both Kareem and Lella scored below than the median. O Leila scored higher than Kareem. O Kareem scored higher than Leila. (b) Which of the following must be true about Kareem's score? O About 44% of the students who took the exam scored lower than Kareem. O Kareem got about 44% of the questions correct. O Kareem's score was in the top half of all scores. O Kareem missed 56 questions. Explanation Check X 3 Ⓒ2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center

If 390 people were asked if they liked dogs, and 82% said they did What is the margin of error of this poll, at the 95% confidence level with your answer to three decimals?

Please answer all of the question in the pictures, Please. THank you.

In a survey of 356 people who attended a local professional soccer teams most recent home game, 135 said that they were fans of the visiting team. Create a 95% confidence interval for the population proportion of attendees who were fans of the visiting team. Round your answer to 3 decimals places

A congressperson wants to estimate the proportion of people in her district that think she is doing a good job. At least how many people should she poll in order to achieve at most a margin of .03 = 3% at confidence level .95?