A recent study by Munro et al found that 15% of college freshman were not happy with their choice of major. A random sample of 100 college juniors found that 10% were not happy with
their major. Is there sufficient evidence to suggest that the proportion of students not happy with
their major is smaller among juniors than freshman? Use alpha = .05.
I.
State the hypotheses.
II.
Calculate the test statistic.
III. Find the p-value IV. Make a statistical decision. V. State your conclusion in the context of the problem.

True or false look at the picture pls : /

Which statement about the annual percentage rate (apr) is not true?

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.