Along with the flowers, maggie bought 4 packages of balloons and 2 packages of plant food. the packages of balloons cost $3.59 each and the total sales tax was $1.34.the total amount she paid was $32.09,including sales tax. explain the strategy she could use to find the cost of 1 package of plant food.

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