An entry level sales analyst's annual pay is $47.528 based on 52 weeks per year. Due to the economy, his company is having to cut back on the number of weeks that it employs its sales analysts. If the firm cuts the work year to 49 weeks but keeps the same rate of pay, how much should the sales analyst expect his annual pay to
decrease? Round your answer to the nearest dollar.

A. find the power of the test, when the null hypothesis assumes a population mean of mu = 450, with a population standard deviation of 156, the sample size is 5 and the true mean is 638.47 with confidence intervals of 95 b. find the power of the test, when the null hypothesis assumes a population mean of mu = 644, with a population standard deviation of 174, the sample size is 3 and the true mean is 744.04 with confidence intervals of 95% c. find the power of the test, when the null hypothesis assumes a population mean of mu = 510, with a population standard deviation of 126, the sample size is 10 and the true mean is 529.44 with confidence intervals of 95