Perform the hypothesis testing for the following problems. (Please show complete steps/solutions) 1. A certain brand of powdered milk is advertised as having a net weight of 250 grams. If the net weights of a random sample of 10 cans are: 253, 248, 252, 245, 247, 249, 251, 250, 247, & 248 grams. Can it be concluded that the average net weight of the cans is less than the advertised amount? Use =0.05