2.1.PS-11 Question Help
Challenge An arts academy requires there to be 5 teachers for every 95 students and 3 tutors for
every 33 students. How many students does the academy have per teacher? Per tutor? How many
tutors does the academy need if it has 77 students?
The academy has students per teacher.
Enter your answer in the answer box and then click Check Answer
2 parts

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?