Mrs. moseley is buying peanuts to make brittle. The 5 scoops of peanuts she purchases weigh 1 3/4 pounds and the price of peanuts is $2.89 per pound. About how much did she pay for the peanuts?

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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

Solve the equation for x. 50(4x + 12) = 200