Acomputer manufacturer estimates that its cheapest screens will last less than 2.8 years. a random sample of 61 of these screens has a mean life of 2.4 years. the population is normally distributed with a population standard deviation of 0.88 years. at α=0.02, what type of test is this and can you reject the organization’s claim using the test statistic?

You are a male who just graduated from college with a bachelor's degree. you have a job paying $50,780.00/yr. a. how does your salary compare to the yearly median earnings for a male with a bachelor's degree? b. what is the difference between the yearly median earnings for a male with a bachelor's degree compared to a male who does not attend college after earning a high school diploma?