Chapter 9: Q. 9.11 (page 515)
Assume the p-value is What type of test is this? Draw the picture of the p-value.
Short Answer
It is a left- tailed test.
Chapter 9: Q. 9.11 (page 515)
Assume the p-value is What type of test is this? Draw the picture of the p-value.
It is a left- tailed test.
All the tools & learning materials you need for study success - in one app.
Get started for freeFor statements a-j ( Section: 9.109 ), answer the following in complete sentences.
a. State a consequence of committing a Type I error.
b. State a consequence of committing a Type II error.
Registered nurses earned an average annual salary of . For that same year, a survey was conducted of California registered nurses to determine if the annual salary is higher than for California nurses. The sample average waswith a sample standard deviation of Conduct a hypothesis test.
Toastmasters International cites a report by Gallop Poll that 40% of Americans fear public speaking. A student believes that less than 40% of students at her school fear public speaking. She randomly surveys 361 schoolmates and finds that 135 report they fear public speaking. Conduct a hypothesis test to determine if the percent at her school is less than 40%.
A teacher believes that of students in the class will want to go on a field trip to the local zoo. She performs a hypothesis test to determine if the percentage is the same or different from . The teacher samples students and reply that they would want to go to the zoo. For the hypothesis test, use a level of significance.
First, determine what type of test this is, set up the hypothesis test, find the p-value, sketch the graph, and state your conclusion.
Sixty-eight percent of online courses taught at community colleges nationwide were taught by full-time faculty. To test if 68% also represents California’s percent for full-time faculty teaching the online classes, Long Beach City College (LBCC) in California, was randomly selected for comparison. In the same year, 34 of the 44 online courses LBCC offered were taught by full-time faculty. Conduct a hypothesis test to determine if 68% represents California. NOTE: For more accurate results, use more California community colleges and this past year's data.
What do you think about this solution?
We value your feedback to improve our textbook solutions.