Students purchase type of textbook package

Reference no: EM1392672

A textbook publisher wants to determine what percentage of college professors either require or recommend that their students purchase textbook packages with supplemental materials, such as study guides, digital media, and online tools. The publisher sends out surveys by e-mail to a random sample of 320 faculty members who have registered with its Web site and have agreed to receive solicitations. The publisher reports that 80% of college professors require or recommend that their students purchase some type of textbook package.

Reference no: EM1392672

Questions Cloud

Public opinion of the police department : To determine the public's opinion of the police department, the police chief obtains a cluster sample of 15 census tracts within his jurisdiction and samples all households in the randomly selected tracts. Uniformed police officers go door to door..

Making sure that you discuss each element of a contract : Based on the facts above, have the parties entered into a binding contract? Please explain your answer, making sure that you discuss each element of a contract and identifying how each was or was not met.

Impacts of pollution : What would the annual percentage rate be if the city plans to make an interest payment of $2 million and what would be the vehicle operating cost of your company for each semi-truck in cent per mile? ____

Determine the potential : A metal sphere with radius r_a is supported on an insulating stand at the center of a hollow, metal spherical shell with radius r_b. There is charge + q on the inner sphere and charge - q on the outer spherical shell. Take potential V to be zero w..

Students purchase type of textbook package : The publisher reports that 80% of college professors require or recommend that their students purchase some type of textbook package.

Statistical analysis-standard deviation : A researcher is interested in estimating noise levels in decibels at area urban hospitals. She wants to be 90% confident that her estimate is correct. If the standard deviation is 4.13, how large a sample is required to get the desired information..

Explain how ethnicity issues influence criminal justice : Write down a three to five page paper explaining ethnicity issues and how they influence criminal justice, create potential conflict, and how they should be managed suitably.

Comparing two weight loss programs : A study is planned to compare two weight loss programs in patients who are obese. The 1st program is based on restricted caloric intake and the second is based on specific food combinations.

What is the sample value of the test statistic : What is the sample value of the test statistic. A random sample of 100 European professional soccer players has an average age of 27 years and a SD of 4 years

User Account

All Pages