Direct Satellite Television It is believed that 25% of U.S. homes have a direct satellite television receiver. Round up your final answers to the next whole number. Part: 0/2 Part 1 of 2 How large a sample is necessary to estimate the true population of homes that have a direct satellite television receiver with 90% confidence and within 2 percentage points? n= X 3

An article claims that 70% of adults over 50 take vitamin supplements. To test this claim, you take a sample and do your math. Based on your results, you end up rejecting the claim. Later it turns out that the claim was in fact correct. What type of error did you make, if any? No error was made. A type II error A type I error

SAVED ANSWER Please save all answers. Questions that you save can still be edited. SAVE ALL ANSWERS Answered Resave Question 38 A national study report indicated that 20.5% of Americans were identified as having medical bill financial issues. What if a news organization randomly sampled 400 Americans from 10 cities and found that 95 reported having such difficulty. A test was done to investigate whether the problem is MORE SEVERE among these cities. What is the p-value for this test? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a 0.4317 b 0.0537 0.2156 d. 0.1074 aResave Answered Question 39 that 2506 of omnlovees are onen to new ideas and approaches toward their work. However, a labor union

An epidemiologist plans to conduct a survey to estimate the percentage of women who give birth. How many women must be surveyed in order to be 99​% confident that the estimated percentage is in error by no more than two percentage points​? Complete parts​ (a) through​ (c) below.       Question content area bottom Part 1 a. Assume that nothing is known about the percentage to be estimated.   n=enter your response here ​(Round up to the nearest​ integer.) Part 2 b. Assume that a prior study conducted by an organization showed that 81​% of women give birth.   n=enter your response here ​(Round up to the nearest​ integer.) Part 3 c. What is wrong with surveying randomly selected adult​ women?     A. Randomly selecting adult women would result in an​ overestimate, because some women will give birth to their first child after the survey was conducted. It will be important to survey women who have completed the time during which they can give birth.   B. Randomly…

.Studies have shown that approximately 5.3% of Americans have French heritage. You want to know how accurate this percentage is with 95% confidence and a margin of error of 3%. How many Americans you should randomly select

Options: 10 97 68 385

You are the operations manager for an airline and you are considering a higher fare level for passengers in aisle seats. How many randomly selected air passengers must you​ survey? Assume that you want to be 99​% confident that the sample percentage is within 1.5 percentage points of the true population percentage. Complete parts​ (a) and​ (b) below.       Question content area bottom Part 1 a. Assume that nothing is known about the percentage of passengers who prefer aisle seats.   n=enter your response here ​(Round up to the nearest​ integer.)