My assignments

{am newspaper conducted a statewide survev concerning the 1998 race for state senator. The newspaper tool: a simple random sample {SRS} of 12oo registered voters and found that 58d would vote for the Republican candidate. Let 13 represent the proportion of registered voters in the state who would vote forthe Republican candidate. .4 Sb percent confidence interval for p is: GA. [1.48 :l: [1.[114 @I B. [1.48 :l: [1.[128 O C. [1.48 :l: [L[12?44 O D. [1.48 :|: 8.82383 (bid. newspaper conducted a statewide survev concerning the 1998 race for state senator. The newspaper tool: a simple random sample {SRS} of 12m] registered voters and found that 58d would vote for the Republican candidate. Let 13 represent the proportion of registered voters in the state who would vote forthe Republican candidate. How large a sample nwould vou need to estimate pwith a margin of error {i.e. {zcritji" (std. devn of {1.01 with 515 percent condence? Use the guess 3} = .5 as the value of pin vour formula forthe standard deviation. O A. ssoa O a. 49 g) o. arson O b.15oo {c} A radio talk show host with a large audience is interested in the proportion 31 of adults in his listening area who think the drinking age should be lowered to 18. He asirs, 'Do vou think the dnniting age should be reduced to 18 in light of the fact that 18 vear olds are eligible for military.r service?' He asl-cs listeners to phone in and vote 'ves' if theyr agree the drinking age should be lowered to 1B, and 'no' if not. Of the tub people who phoned in. 1'5 answered 'ves.' Which of the following assumptions for inference about a proportion using a condence interval are violated? (31A. The sample size is large enough so that the count of successes 1115 is to or more. (i) B. The sample size is large enough so that the count of failures n{1 13} is 1t] or more. (:3 C. The population is at least ten times as large as the sample. C) D. The data are a simple random sample [SRS] from the population of interest. {1 point] A government ofcial is in charge of allocating social programs throughout the cit1,r of 1|lr'ancouver. He will decide where these social outreach programs should be located based on the percentage of residents living below the povertv line in each region of the city. He takes a simple random sample of 125 people living in Gastown and nds that 25 have an annual income that is below the povenylr line. Part i} The proportion of the 125 people who are living below the poverty line, some, is a: {g A. statistic. Q B. valiable of interest. (:3: C. parameter. Part ii} Use the sample data to compute a 95% condenoe interval for the the proportion of Gastown residents living below the povenjlr line. (Please campr answers to at least six decimal places in intermediate steps. Give your nal answer to the nearest three decimal places}. 95% condence interval ={ 5595 , [1.224 1|