Please make sure your computations by using Excel. Do not do computations using Table A or on a calculator and then type the answers into Excel. 1. The weights of boxes of crackers produced by a certain manufacturer have a Normal distribution with a mean of 255 grams and a standard deviation of 3.5 grams.

a) (4 points) What percent of boxes of crackers weigh more than 260 grams?

(b) (4 points) What is the standardized value for a box of crackers that weighs 260 grams?

(c) (4 points) What percent of observations from a standard Normal distribution N(0, 1) take values larger than the standardized value from part (b)?

(d) (2 points) Are your answers to parts (a) and (c) similar? (Don't simply answer yes or no. Explain how they are or are not similar.)

(e) (4 points) What is the weight that should be stamped on each box so that only 1% of boxes are underweight?