HI IVE BEEN POSTING THIS AND NO ONE IS HELPING THIS ASSIGNMENT IS DUE IN 12 MINS AND IM HAVING A HARD TIME SOLVING IT. THIS IS PYTHAGOREAN THEOREM AND I DONT GET IT WILL MARK BRAINLIEST IF SHOW WORK

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