An artist sold different amounts of paintings and drawings on friday and saturday. on friday, she sold 10 paintings and 3 drawings for a total of $368. on saturday, she sold 14 paintings and 3 drawings for a total of $508.

let p represent the price of a painting and d represent the price of a drawing. the following system of equations represents this situation:

10p+3d=368

14p+3d=508

how much did the artist sell each piece of art fo

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