Many states are carefully considering steps that would help them collect sales taxes on items purchased through the Internet. How many randomly selected sales transactions must be surveyed to determine the percentage that transpired over the​ Internet? Assume that we want to be99​%confident that the sample percentage is within three percentage points of the true population percentage for all sales transactions.

Q: Many states are carefully considering steps that would help them collect sales taxes on items…

A: From the given information,   Margin error = 0.06 Assume sample proportion = 0.5   The objective is…

Q: A sample of size 80 which found to contain 21 smokers. What is the sample proportion of non-smokers…

A: A population is the complete set of elements for which the study or experiment is conducted. A…

Q: If a hurricane was headed your way, would you evacuate? The headline of a press release states,…

A:

Q: In 1949, an organizātion surveyed 1100 adults and asked, 'Are you a total abstainer from, or do you…

A: Given Information: Total number of adults got surveyed in former survey,n1 = 1100. Number of…

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A: From the provided information, 35% of businesses plan to hire new additional employees in the next…

Q: A sample of 426 U.S. adults age 50 and older were asked how important a variety of issueswere in…

A:

Q: A random sample of 1400 Internet users was selected from the records of a large Internet provider…

A: Given data A random sample of 1400 internet users was selected  and asked whether they would use…

Q: To find out how Seattle restaurant patrons feel about ban on smoking inside/public places, a…

A: Undercoerage is a type of sampling bias that occurs when the significant population units are not…

Q: A marketing research firm wishes to conduct a poll in a certain region to estimate the proportion of…

A: Solution: From the given information, confidence level is 0.90 and E=0.03.

Q: 3. A political scientist would like to estimate the proportion of voters who read their ballot…

A: To calculate: How large of a sample size does she need?

Q: Many states are carefully considering steps that would help them collect sales taxes on items…

A: The sample size is determined by the margin of error determined by the formula E=zα2p^(1-p^)n

Q: A polling agency wants to determine the percentage of voters in favor of extending tax cuts. They…

A:

Q: Explain the following  5 techniques that are used in selecting sample elements out of a population…

A: It is been asked to describe the specified techniques that are used in selecting sample elements out…

Q: A physical therapist wants to determine the difference in the proportion of men and women who…

A: Given Margin of error=0.04 (a) she uses the estimates of 21.8​% male and 18.1​% female from a…

Q: Many states are carefully considering steps that would help them collect sales taxes on items…

A:

Q: We are interested in conducting a study in order to determine what percentage of voters would vote…

A: Given that, If the prior information is unknown assume that the sample proportion  is 0.50 Critical…

Q: A researcher wishes to​ estimate, with 95​% ​confidence, the population proportion of adults who…

A:

Q: We are interested in conducting a study in order to determine what percentage of voters of a state…

A: The confidence level is 95%. Therefore, α = 0.05 and α/2=0.025. The margin of error is 5% =0.05…

Q: Many states are carefully considering steps that would help them collect sales taxes on items…

A:

Q: ppose that 97% of Monarch butterflies migrate to Mexico in winter. What is the smallest sample size…

A: Given data, 97% of Monarch butterflies migrate to Mexico in winter p=97%=0.97 What is the smallest…

Q: The Los Angeles City Controller's office calculated that in 2013, the city employed 47030 full-time…

A: Let p be the population proportion of full-time employees.

Q: If a manufacturer conducted a survey among randomly selected target market households and wanted to…

A: From the provided information, Margin of error (E) = 6% that is 0.06 Confidence level = 95% The…

Q: should their sample size be?

A: here use solvin's formula

Q: Many states are carefully considering steps that would help them collect sales taxes on items…

A: Given Information Error = 0.05 Confidence level = 0.95

Q: Many states are carefully considering steps that would help them collect sales taxes on items…

A:

Q: If a manufacturer conducted a survey among randomly selected target market households and wanted to…

A: question: If a manufacturer conducted a survey among randomly selected target market households and…

Q: As the newly hired manager of a company that provides cell phone service, you want to determine the…

A: When we don't have any prior information about the population proportion, we generally take it as…

Q: A sociologist wishes to conduct a poll to estimate the percentage of Americans who favor affirmative…

A: From the given information, she wants to use a 2003 estimate of 55% obtained from a Gallup Youth…

Q: In 1949​,an organization surveyed 1100 adults and​ asked, "Are you a total abstainer​ from, or do…

A: Sample 1:In 1949 survey, there are 374 individuals out of 1,100 indicated that they are total…

Q: A poll in one country indicated that 48​% favor imposing the death penalty​ (the country currently…

A: Sample Size:The formula for the sample size is as follows:

Q: A political campaign manager wishes to survey a number of voters to estimate the proportion of those…

A:

Q: The Los Angeles City Controller's office calculated that in 2013, the city employed 4703047030…

A: Given: 2013 Number of full time employees = 47030 Number of part time employees = 10142 p denotes…

Q: A political pollster wants to ensure that their poll on attitudes toward separation of church and…

A: Here use basic definition of cluster sampling and frequency  Cluster sampling  : here populalation…

Q: In 1949, an organization surveyed 1100 adults and asked, "Are you a total abstalner from, or do you…

A: Given : x1=374n1=1100p^1=0.34x2=330n2=1100p^2=0.30We want to find the value of test stitistic.

Q: cluster sample.

A: Cluster sampling is a probability sampling technique where researchers divide the population into…

Q: in 1949, an organization surveyed 1100 adults and asked, 'Are you a total abstainer from, or do you…

A: Solution: Given information: n1=1100 Sample size of1949  adults  n2=1100 Sample size of recent…

Q: Assuming a sample size of 76, what is the 90th percentile for the AVERAGE teacher’s salary?

A: From the above question The given values are  n = 76 The calculate 90 th  percentile So the formula…

Q: a hospital wants to estimate the percentage of admitted patients who receive Medicare benefits. if…

A: To calculate the minimum sample size require to be 95% sure that margin of error will fall within 4…

Q: A poll in Canada states that 67% of all respondents favor imposing the death penalty. The poll was…

A: Given that  A poll in Canada states that 67% of all respondents favor imposing the death penalty. P…

Q: We are interested in conducting a study in order to determine what percentage of voters of a state…

A:

Q: You are the regional manager of a five-star hotel chain known for its commitment to high-quality…

A: a) From the given information, Customers Complaints Percentage 1000 8 0.008 1000 11 0.011…

Q: A researcher numbered all of the colleges willing to release grade information and chose every tenth…

A: The systematic sampling is the type of sapling when n samples are selected by choosing kth member.

Q: Many states are carefully considering steps that would help them collect sales taxes on items…

A: Solution: From the given information, confidence level is 0.99 and E=0.02.

Q: How large must the sample size be in order to to estimate a true proportion to within one percentage…

A:

Q: A pollster wishes to estimate the proportion of United States voters who favor capital punishment.…

A: Given that, Critical value: Using the z-table, the critical value at 90% confidence level is

Q: The method of selecting a desirable portion from a population which describes the characteristics of…

A: Sampling: The population is estimated by using the technique of Sampling. A sample is selected from…

Q: A researcher will conduct a study on the economic situation of young people between the ages of…

A: A researcher will conduct a study on the economic situation of young people between the ages of…