The vertices of a kite are shown below. (24 , 0), (48 , 9), (24 , 12), (0 , 9) Which of the following points is a vertex for the image produced by a dilation about the origin with a scale factor of ? A. (12 , 6) B. (4 , 2.25) C. (6 , 3) D. (2.25 , 0)

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