In Wyoming there are about 300,000 registered voters, of whom 30,000 are Democrats. A survey organization is about to ta

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In Wyoming There Are About 300 000 Registered Voters Of Whom 30 000 Are Democrats A Survey Organization Is About To Ta 1 (29.7 KiB) Viewed 57 times

In Wyoming There Are About 300 000 Registered Voters Of Whom 30 000 Are Democrats A Survey Organization Is About To Ta 2 (21.42 KiB) Viewed 57 times

In Wyoming There Are About 300 000 Registered Voters Of Whom 30 000 Are Democrats A Survey Organization Is About To Ta 3 (15.34 KiB) Viewed 57 times

In Wyoming there are about 300,000 registered voters, of whom 30,000 are Democrats. A survey organization is about to take a simple random sample of 900 registered voters. (Answer below in percent to the nearest whole percent; do not enter the % sign.) a. The expected value for the percentage of Democrats in the sample is Democrats in the sample is %. b. The percentage of Democrats in the sample is likely to be around SO. %. The SE for the percentage of % %, give or take % or c. Find the chance that between 9% and 11% of the registered voters in the sample are Democrats. (Do not round the SE in calculating this probability). Answer:
A survey research company uses random digit dialing. They have a contract to estimate the percentage of people watching Spanish-language television in several Southern cities. They take a sample of size 1,000 in Dallas, Texas - which has about 1,350,000 residents. They are satisfied with the accuracy of the estimates for Dallas. Houston has about twice the population of Dallas, but similar demographics. To get about the same accuracy in Houston as in Dallas, the company should use a sample size of
Three hundred draws are going to be made at random with replacement from the box 00 The number of 1's among the draws will be about give or take or so.