Question

In one country, a survey of 200 males over the age of 30 found that 87%...

In one country, a survey of 200 males over the age of 30 found that 87% had been married at least once. In another country, a survey of 100 males over the age of 30 found that 81% had been married at least once. Compute the test statistic for a hypothesis test to compare the population proportions of males over the age of 30 that have been married at least once between the two countries. Round your answer to two decimal places.

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

Test statistic = z= 1.37

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A survey of 2045 randomly chosen home loan customers from a large bank found that 175...
A survey of 2045 randomly chosen home loan customers from a large bank found that 175 had been late with their payments at least once in the previous 12 months. Which of the following is a 95% confidence interval for the proportion of all customers that have been late with their payments at least once in the previous 12 months? Select one: a. (0.0735, 0.0977) b. (-0.1942, 0.3653) c. (0.0794, 0.0918) d. (0.08550, 0.08564) e. (0.0678, 0.02389) 2. In a...
5. A survey conducted at a Midwestern university and involving 1,500 students found that 68% had...
5. A survey conducted at a Midwestern university and involving 1,500 students found that 68% had taken out a student loan to help pay for the cost of their college education. A similar study at a southeastern university in which 2,000 students were surveyed found that 47% had taken out a student loan. a.Develop and interpret a 95% confidence interval estimate for the difference in the proportions of students who have loans at these two universities. b.Using an alpha level...
Language Survey About 42.3% of Californians and 19.6% of all Americans over age five speak a...
Language Survey About 42.3% of Californians and 19.6% of all Americans over age five speak a language other than English at home. Using your class as the sample, conduct a hypothesis test to determine if the percent of the students at your school who speak a language other than English at home is different from 42.3%. sample means 38 22/38 speak another language H0: ___________ Ha: ___________ In words, define the random variable. __________ = _______________ The distribution to use...
A survey of randomly selected registered voters asked if they considered themselves conservative or liberal and...
A survey of randomly selected registered voters asked if they considered themselves conservative or liberal and if they would be willing to pay higher taxes for gasoline as long as all of the additional revenue went to expanding public transportation. Of the 119 self-described conservatives surveyed, 95 responded that they were willing to pay the higher tax. Among the 131 self-described liberals surveyed, 112 responded that they were willing to pay the higher tax. Compute the test statistic for a...
A survey of business and IT executives found that 76​% of automotive​ executives, 66​% of financial...
A survey of business and IT executives found that 76​% of automotive​ executives, 66​% of financial services​ executives, 81​% of heath care​ executives, 57​% of retail​ & consumer​ executives, and 75​% of technology executives say their CEOs are active champions of using digital technology to achieve strategy. Suppose that the study was based on a sample size of 500 in each group. Complete parts​ (a) and​ (b). a. At the 0.05 level of​ significance, is there evidence of a difference...
In a study of 200 randomly selected adult female and 250 randomly selected adult male Internet...
In a study of 200 randomly selected adult female and 250 randomly selected adult male Internet users, 30% of the females and 38% of the males said that they plan to shop online at least once during the next months. At alpha = 0.10, test the claim that there is a difference between the proportion of female and the proportion of male Internet users who plan to shop online by specifically following and addressing the questions below: Identify the claim...
1) A country with a civilian population of 120,000 (all over age 16) has 100,000 employed...
1) A country with a civilian population of 120,000 (all over age 16) has 100,000 employed and 12,000 unemployed persons. Of the unemployed, 7,000 are frictionally unemployed and another 2,000 are structurally unemployed. On the basis of this data, answer the following questions: (show your work for credit) a. what is the size of the labor force? b. What is the unemployment rate? c. What is the natural rate of unemployment for this country? d. Is this economy in recession...
You are conducting a study to see if the proportion of men over the age of...
You are conducting a study to see if the proportion of men over the age of 50 who regularly have their prostate examined is significantly less than 0.3. A random sample of 726 men over the age of 50 found that 205 have their prostate regularly examined. Do the sample data provide convincing evidence to support the claim? Test the relevant hypotheses using a 1% level of significance. Give answer to at least 4 decimal places. What are the correct...
A group of researchers want to determine whether the order in which items are presented influences...
A group of researchers want to determine whether the order in which items are presented influences people’s responses. The researchers claimed to be test marketing a new laundry detergent and presented subjects with two identical freshly laundered towels. The subjects were asked feel each and state which one felt softer. In each pair of towels, one had been laundered using a bargain detergent while the other had been laundered using the same detergent and fabric softener so was noticeably softer....
1. Country A with a civilian non-institutionalized population of 237 mil (all over age 16), has...
1. Country A with a civilian non-institutionalized population of 237 mil (all over age 16), has 156 mil employed and 47 mil unemployed persons, of the unemployed 5 mil is frictional and 8 mil structural. a) What is the size of the labor force? ………………………………………… b) What is the actual unemployment rate? ……………………………………. c) What is the Cyclical unemployment? ................................................. d) What is the Natural Rate of Unemployment (NRU)? ……………………… e) Is this economy in a recession or a boom?...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT