Terri is playing a math card game and has dealt each player four math cards. Lisa: 2, √2, -5, 1/2
Ben: 0.435435. . ., 0.5, √25, 0
Kari: π, 2, 6, -2
Terri: √200, π, √50, 1.43256744376665. . .

Which person’s hand contains all rational numbers?

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