Anthony wanted to know how much money he would have to save to buy a new video game. the new game costs $60.00. he has $15. write an equation that will tell anthony how much more money he would have to save. how much would anthony have to save if he wanted to buy the game and the expansion pass which costs $30.00 more than the game alone?

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