Students in an online Statistics course reported the following hours spent weekly on the course.8.5 4.5 12.5 13 14 3.5 6.5 18 21.5 23.5Assume the number of hours spent by all students follows a normal...

## Nick from New York, NY's Resources

**No answers . . . yet!**

Students in an online Statistics course reported the following hours spent weekly on the course.8.5 4.5 12.5 13 14 3.5 6.5 18 21.5 23.5Assume the number of hours spent by all students follows a normal...

#### Latest answer by

In a survey of students at a university, 34 out of 90 females think the campus food is adequate while 56 out of 120 males surveyed approve. Test the claim that there is a difference in the females'...

#### Latest answer by

When testing a claim about a population proportion, the P-value method and critical value method will produce the same result when deciding whether or not to reject the null hypothesis. A)...

**No answers . . . yet!**

1. Students in an online Statistics course reported the following hours spent weekly on the course.8.5 4.5 12.5 13 14 3.5 6.5 18 21.5 23.5Assume the number of hours spent by all students...

#### Latest answer by

1 In a study of proctored and nonproctored exams in am online class, researchers obtained the following data.Group One (Proctored): n = 30, x bar = 73.4, s = 11.92 Group Two (Unproctored):...

**No answers . . . yet!**

1. When 50 people used the 5-2 fast diet for one year, their mean weight loss was 5 pounds and the standard deviation was 4 pounds. Use a .05 significance level to test the claim that their average...

#### Latest answer by

1. Listed below are the number of years it took for a random sample of college students to earn a bachelor's degree. At the .05 significance level, test the claim that it takes the average student...

#### Latest answer by

1. When 50 people used the 5-2 fast diet for one year, their mean weight loss was 5 pounds and the standard deviation was 4 pounds. Use a .05 significance level to test the claim that their average...

#### Latest answer by

I am creating a java program and I do not know how to put my 3 functions into it. I also need some sort of menu screen and a way to quit the program. These are my only guidelines: •...

#### Latest answer by

All I need is an example.

**No answers . . . yet!**

In a poll of 20 students trying to register for classes, the time it took to complete the process had a standard deviation of 8 minutes. Construct a 95% confidence interval for the population standard...

**No answers . . . yet!**

in a poll of 212 prison wardens, 98 said that tattoos are a sign of trouble. Find the sample proportion who think tattoos are a sign of trouble. 1. Using the problem above, to...

**No answers . . . yet!**

In a poll of 212 prison wardens, 98 said that tattoos are a sign of trouble. Find the sample proportion who think tattoos are a sign of trouble. Using the problem above, to test the...

#### Latest answer by

Find a 99% confidence interval for the population mean for a sample of size 36 that yields a mean of 78 and a standard deviation of 6. Assume sigma, the population standard deviation, is unknown. A)...

**No answers . . . yet!**

In sampling 25 college graduates on how many times they cheated during their college years, you calculated a mean of 4.8 and a standard deviation of 4.2. Find a 98% confidence interval for the mean...

#### Latest answer by

In a standardized test for lawyers, scores are normally distributed and the standard deviation is known to be 28.5 points. How large of a sample must to find the estimate the mean score of all lawyers...

**No answers . . . yet!**

Students in a college class were asked to time how long it takes them in minutes to get ready in the morning. Here were the responses: 14, 28, 5, 12, 56, 32, 2, 17Construct a 90% confidence interval...

**No answers . . . yet!**

If you want to find the percentage of people who are left-handed, how many people must we survey in order to be 99% confident that we are within 3 percentage points of the population percentage? Assume...

**No answers . . . yet!**

In a Gallop poll of 567 randomly selected adults, 274 said they were underpaid. Construct a 95% confidence interval estimate for the percentage of all adults who said they were underpaid.