1. When 293 college students randomly selected and surveyed,it is found that 114

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1. When 293 college students randomly selected and surveyed,it is found that 114 own a car. Construct a 99% confidence intervalfor the percentage of all college students who own a car. a. (37.6%, 44.5%) b. (32.3%, 45.5%) c. (34.2%, 43.6%) d.(31.6%, 46.2%) e. (33.3%, 44.5%) 2. A survey of 300 union members in New York State revealsthat 112 favor the Republican candidate for govenor. Construct a98% confidence interval for the percentage of all New York Stateunion members who favor the Republican candidate. a. (30.1%, 44.5%) b. (30.8%, 43.8%) c. (31.9%, 42.8%) d. (26.7%, 47.9%) e. (17.8%, 56.8%) 3. At a large University, students have a average credit carddebt of $2500, with a standard deviation of $1200. A random sampltof students is selected and interviewed aboit their credit carddebt. Use the 68-95-99.7 Rule to answer the question about the meancredit card debt for the students in this sample. If we imagine all the possible random samples of 250students at this university, 99.7% of the samples should have meansbetween what two numbers? a. $250 and $2651.78 b. $300 and $4900 c. $2348.22 $2651.78 d. $2272.33 and $2727.67 e. $250 and $2575.89 1. When 293 college students randomly selected and surveyed,it is found that 114 own a car. Construct a 99% confidence intervalfor the percentage of all college students who own a car. a. (37.6%, 44.5%) b. (32.3%, 45.5%) c. (34.2%, 43.6%) d.(31.6%, 46.2%) e. (33.3%, 44.5%) 2. A survey of 300 union members in New York State revealsthat 112 favor the Republican candidate for govenor. Construct a98% confidence interval for the percentage of all New York Stateunion members who favor the Republican candidate. a. (30.1%, 44.5%) b. (30.8%, 43.8%) c. (31.9%, 42.8%) d. (26.7%, 47.9%) e. (17.8%, 56.8%) 3. At a large University, students have a average credit carddebt of $2500, with a standard deviation of $1200. A random sampltof students is selected and interviewed aboit their credit carddebt. Use the 68-95-99.7 Rule to answer the question about the meancredit card debt for the students in this sample. If we imagine all the possible random samples of 250students at this university, 99.7% of the samples should have meansbetween what two numbers? a. $250 and $2651.78 b. $300 and $4900 c. $2348.22 $2651.78 d. $2272.33 and $2727.67 e. $250 and $2575.89

Explanation / Answer

3)At a large University, students have a average credit carddebt of $2500, with a standard deviation of $1200. A random sampltof students is selected and interviewed aboit their credit carddebt. Use the 68-95-99.7 Rule to answer the question about the meancredit card debt for the students in this sample.

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