Aschool is keeping track of the number of tickets remaining for its year-end festival. the table shows the number of sales for the first, second, third, and fourth weeks of the month leading up to the festival. which graph could represent the data shown in the table?
day tickets 1 | 800 2 | 371 3 | 182 4 | 78 explain. i am not sure how to solve these. so much!

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?