Mrs. Moore made the tray of cupcakes for a party. The adults at the party ate 1/3 of the tray of cupcakes. The children at the party ate 5/12 of the tray of cupcakes. What fraction more of the tray of cupcakes was eaten by the children than by the adults at the party?

a. 9/12

b. 1/12

c. 6/12

d. 8/12

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