Tim earned an 80% on his test. His class's mean score was 74% with a standard deviation of 3%. How many standard
deviations above the mean is Tim's test score?

Question 10jur's car can travel 340 miles on 12 gallons. jack's car can travel 390 miles on16 gallons. which person has the best mileage (miles per gallon) and what istheir mileage?

How do you solve a question like this?

Which of these numbers of simulations of an event would be most likely to produce results that are closest to those predicted by probability theory? 15, 20, 5, 10