The range of values likely to contain the population parameter is from % to 11%.(Simplify your answer. Use ascending order.)

A poll is conducted the day before a state election for Senator. There are only two candidates running for this office. The poll results show that 58% of the voters favor the Republican candidate, with a margin of =or of 4 percentage points. Should the Republican expect to win? Why or why not?

Choose the correct answer below.

0A. The results suggest that the Republican is likely to win a solid majority because he or she will most likely get between 54% and 62% of the vote.

0 B. The results suggest that the Republican is not likely to win a solid majority because, when the margin of error istaken into account, he or she will most likely not get the majority of the vote.

0.C. The results suggest that the Republican is just as likely to win or lose the election because 58% is very close to50%.

Determine whether a census is practical in the situation described. Explain your reasoning.You want to determine the mean height of all volleyball players in a country.

Choose the correct answer below.

0 A census is not practical. The population consists of the large number of players in a country, and it is not easy to

obtain their heights.

0 A census is practical. The population consists of the small number of players in a country, and it is easy to obtain

their heights.

In a Gallup poll of 1,098 randomly selected American sportsmen, 89% said that cloning of humans should not beallowed.

Identify the sample, population, and sampling method. Then comment on whether you think it is likely that the sample is representative of the population.

Identify the sample. Choose the correct answer below.0A. the 1,098 randomly selected American sportsmen

0 B allAmerican sportsmen

0 C sportsmen of the whole world

0 D 89% of randomly selected American sportsmen
You want to determine the mean amount of credit card debt owed by adult consumers in Florida,Which sample is most likely to be a representative sample?

Choose the correct answer below.

CIA. The first 1,000 Florida residents in a complete list of all Florida telephone numbers.B. The Florida residents who mail back a survey printed in a newspaper.

OC. The Florida drivers who own and have registered a SUV.

0 D. The first 1,000 Florida residents listed in the Fort Lauderdale phone book.

Amagazine, which does not accept free products or advertising from anyone, prints a review of new cars.Are there sources of bias in this situation?

Choose the correct answer below.

OA. There do not appear to be any sources of bias.

B. Theredoes appear to be sources of bias.

A company hires independent university scientists to determine whether its new, genetically engineered soybean posesany threat to the environment.

Are there sources of bias in this situation?

Choose the correct answer below.

CIA. There donot appear to be any sources of bias.B. There does appear to be sources of bias.

Toyota wants to administer asatisfaction survey to its current customers. Usingtheir customer database, the companyrandomly selects 30 customers and asks them about their level ofsatisfaction with the company.

What type of sampling is used?A.Stratified

0 B.Simple random

OC.Cluster

OD.Convenience

OE.Systematic
In a poll, 1,004 men in a country were asked whether they favor or oppose the use of “federal tax dollars to fundmedical research using stem cells obtained from human embryos.” Among the respondents, 46% said that they were infavor. Describe the statistical study.

What is the population in the given problem? Choose the correct answer below.OA 46% of the 1,004 men selected

OB. A.11 men in the country

OC. The 1,004 men selected.

0 D. 46% of all men in the country

To estimate the percentage of defects in a recent manufacturing batch, a quality control manager at Microsoft selectsevery 2.0th software CD that comes off the assembly line starting with the third until she obtains a sample of 130software CDs.

What type of sampling is used?GA.Convenience

0 B. Simple random

OC. Cluster

OD. Systematic.

OE. Stratified

Some cruise ship passengers are given magnetic bracelets, which they agree to wear in an attempt to eliminate ordiminish the effects of ration sickness. Others are given similar bracelets that have no magnetism.

What type of study is this? What are the variables of interest?

Choose the correct answer below.

OA. Experiment. The variable of interest is whether the passenger experienced motion sickness.

0 B. Observational study. The variable of interest is whether a passengers bracelet is magnetized or not.OC. Observational study. The variable of interest is whether the passenger experienced motion sickness.0 D. Experiment. The variable of interest is whether a passengers braceletismagnetized or not.
A magazine ran a survey about a web site for downloading music. Readers could register their responses on themagazine’s web site.

Identify a source of bias in this study.Choose the correct answer below.

OA. Bias from the survey funding source.

B. Bias from the survey wording.OC. Bias from self-selection.

OD. Bias from cluster sampling.

To determine customer opinion of their pricing, Greyhound Lines randomly selects 150 busses during a certain weekand surveysallpassengers on the busses.

What type of sampling is used?OA.Convenience

OB.Stratified

OC^,Cluster

OD^,Systematic.

OE,Simple random