Tracy is graphing the function f (2) = 4.22 11x + 10. He constructs the following table of values.
2
0
10
1
3
2
-4
3
26
4
30
The table contains errors in the right column. Which of the following values are incorrect? Select all that apply.
10
3
-4
26
30

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?