Ineed math i need to pay 60% of my first year's tuition. my parents have saved a total of $10,000 for my college tuition and want me to split it evenly over the four years. i have to decide how many hours you must work in order to afford the remaining amount you need in order to register for college. my tutition=$49390i work 28 hours a week for $9.10/hr

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