Which division problem does the model below show? 4 fraction bars. The fraction bars are labeled 1 and each have 6 boxes underneath labeled one-sixth. 4 divided by one-sixth = 24 4 divided by one-sixth = 12 24 divided by one-sixth = 4 12 divided by one-sixth = 4

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?