What is the percent change, rounded to the nearest hundredth, if 150 is increased to 260?

select the best answer from the choices provided.

110%

26.67%

42.31%

73.33%

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?