question 2:

The weight of a small Starbucks coffee is a distributed random variable with the mean of 400 grams and a standard deviation of 20 grams. Find the weight that corresponds to each event. (Use Excel or Appendix C to calculate the z-value. Round the final answer to 2 decimal places.)

question 3:

High school students across the nation compete in a financial capability challenge each year by taking a National Financial Capability Challenge Exam. Students who score in the top 13 percent are recognized publicly for their achievment by the Department of the Treasury. Assuming a normal distribution, how many standard deviations above the mean does a student have to score to be publicly recognized? (Round the answer t 2 decimal places.)