3. A wheel with a diameter of 12 inches will move 377 inches when rolled five times. How far will the same wheel move, to the nearest inch, in 16 rolls?
(1) 31
(3) 4,524
(2) 1,206
(4) 2,932

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?