The amount of grilling time, in minutes,
varies directly with the thickness of the
steak, in inches. if a 1.5-inch steak needs
12 minutes of grilling time, how many
minutes of grilling time does a 2-inch steak
need?

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?