Which of the following is true because of the Associative Law of Addition? A. 1000 + 2000 + 6 = 3006

B. (1000) + 2000 + 6 = 1000 + (2000) + 6

C. 1000 + 2000 + 6 = 2000 + 1000 + 6

D. 1000 + (2000 + 6) = (1000 + 2000) + 6

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