Mathematics, 14.04.2020 17:22 makenziehook8

A hypothesis test was conducted to investigate whether the population proportion of students at a certain college who went to the movie theater last weekend is greater than 0.2. A random sample of 100 students at this college resulted in a test statistic of 2.25. Assuming all conditions for inference were met, which of the following is closest to the pp-value of the test?

A. 0.0061
B. 0.0122
C. 0.0244
D. 0.9756
E. 0.9878

Answers: 2

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 19:20

Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?

Answers: 1

Answer

Mathematics, 22.06.2019 01:00

The triangles are similar. what is the value of x? enter your answer in the box.

Answers: 1

Answer

Mathematics, 22.06.2019 02:10

Paula makes stained-glass windows and sells them to boutique stores. if her costs total $12,000 per year plus $4 per window for the frame. how many windows must she produce to earn a profit of at least $48,000 in one year if she sells the windows for $28 each? 1. define a variable for the situation. 2. write an inequality that represents her profit. note: revenue is money coming in. cost is money going out. profit is the difference between the revenue and the cost. in other words: revenue - costs profit 3.using words, describe how many windows she must sell to have a profit of at least $48,000.

Answers: 2

Answer

Mathematics, 22.06.2019 04:30

The survey of study habits and attitudes (ssha) is a psychological test that measures the motivation, attitude toward school, and study habits of students, scores range from 0 to 200. the mean score for u.s. college students is about 115, and the standard deviation is about 30. a teacher who suspects that older students have better attitudes toward school gives the ssha to 55 students who are at least 30 years of age. the mean score is 113.2. assume the population standard deviation is 30 for older students what is the margin of error for a 95% confidence interval for the population mean score for a. older students? b. compute the 95% confidence interval for the population mean score for older students. c. compute the 99% confidence interval for the population mean score for older students. d. compute the 88% confidence interval for the population mean score for older students.

Answers: 3

Answer

You know the right answer?

A hypothesis test was conducted to investigate whether the population proportion of students at a ce...

Questions