Hello Tutor, My Name is Nathan and I am doing some volunteer studying on a review guide before my exam this Friday. Can you help me solve these couple questions, I don't understand them. Thanks -Nathan
Question 10 (1 point) The Student Recreation Center wanted to determine what sort of physical activity was preferred by students In a survey at random students. 65 indicated that they preferred outdoor exercise over exercising in a sym, The 25 6 confidence interval estimating the proportion of all students at the university who prefer outdoor exercise is given by which of the following? ( 1 1 0 75823 . 0.84671) 0 2 (0.71577 . 0.88917 ) (3) ( 0.11083 . 0.28423) 4 ( 0.71577. 0.88917 ) 5) (0.72971. 0.87523 Question 11 (1 point) You are watching a nightly news broadcast on CNN and the reporter says that 3 9579 confidence interval for the proportion of Americans who supported going to war in rag was (04252 . 0.4923 )) You also note that the footnote says this is based on a andom sample performed by Callup with 848 respondents. What is the correct interpretation of this confidence interval? () 1) We cannot determine the proper interpretation of this interval. ( 2) We are certain that 95% of Americans will be between 0.4252 and 0.4923 )3 We are ?5% confident that of the 848 respondents, between 0.4252 and 0:4923 of them supper n to go to war ()4 We are ?5%% confident that the proportion of all Americans who supported going to war in Iraq is between 0. 4252 and 0.4923. We are 95%% confident proportion Americans surveyed who supported going to war in Iraq is between 0 4253 and 0 4923) Question 12 (1 point) Political party affiliation is believed to be a v vote in Presidential E has changed since 1972. During the 1892 81 If proclaim Republicans who voted for George H. WE was 2012 elect in a survey of 256 Republican v 2001 Romney. The 95 0 confide 0 7306 0.8319 ). What is the best conclusion you can m s listed below? () 1) We can conduct Republicans who voted in the 2012 ele an 0.807 ()2) We can not conclude publicans who voted in the 2012 electi from 0.807. () 3) We can condude the Republicans who Voted in the 20 12 election n 0.807. 4) The confidence interval conclusion. @ 5) The proportion of self- pro Repu who voted for their party candidate in 2012 who changed from 0.807 is 9504
