Mathematics, 07.03.2020 05:30 amberskids2
A sample survey interviews SRSs of 500 female college students and 550 male college students. Researchers want to determine whether there is a difference in the proportion of male and female college students who worked for pay last summer. In all, 410 of the females and 484 of the males say they worked for pay last summer. The researchers report that the results were statistically significant at the 1% level. Which of the following is the most appropriate conclusion?
(a) Because the P-value is less than 1%, fail to reject
H0.
There is not convincing evidence that the proportion of male college students in the study who worked for pay last summer is different from the proportion of female college students in the study who worked for pay last summer.
(b) Because the P-value is less than 1%, fail to reject
H0.
There is not convincing evidence that the proportion of all male college students who worked for pay last summer is different from the proportion of all female college students who worked for pay last summer.
(c) Because the P-value is less than 1%, reject
H0.
There is convincing evidence that the proportion of all male college students who worked for pay last summer is the same as the proportion of all female college students who worked for pay last summer.
(d) Because the P-value is less than 1%, reject
H0.
There is convincing evidence that the proportion of all male college students in the study who worked for pay last summer is different from the proportion of all female college students in the study who worked for pay last summer.
(e) Because the P-value is less than 1%, reject
H0.
There is convincing evidence that the proportion of all male college students who worked for pay last summer is different from the proportion of all female college students who worked for pay last summer.
Answers: 1
Mathematics, 21.06.2019 22:30
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Mathematics, 21.06.2019 23:00
1. an economy consists of three workers: larry, moe, and curly. each works 10 hours a day and can produce two services: mowing lawns and washing cars. in an hour, larry can either mow one lawn or wash one car; moe can either mow one lawn or wash two cars; and curly can either mow two lawns or wash one car. a. calculate how much of each service is produced under the following circumstances: a. all three spend all their time mowing lawns. b. all three spend all their time washing cars. c. all three spend half their time on each activity d. larry spends half of his time on each activity, while moe only washes cars and curly only mows lawns b. using your answers to part a, draw a production possibilities frontier and label points a, b, c, and d on your graph. explain why the production possibilities frontier has the shape it does. c. are any of the allocations calculated in part a inefficient? explain.
Answers: 3
A sample survey interviews SRSs of 500 female college students and 550 male college students. Resear...
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