Trish is selling lemonade at a school fundraiser. she brought 2 bags of cups. each bag contained 90 cups and cost $3.60. the total cost of the ingredients ti make the lemonade was $80. she plans to sell the lemonade for 50cents a cup. assume she has enough lemonade, did she buy enough cups to make a profit?

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