Pls help me with this math question
...
Answers: 3
Mathematics, 21.06.2019 18:40
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?
Answers: 1
Mathematics, 21.06.2019 20:30
In the diagram of circle o, what is the measure of zabc?
Answers: 2
Mathematics, 21.06.2019 21:00
Which expression is equal to (21)(7)(3x) using the associative property? (21 Β· 7 Β· 3)x (7)(21)(3x) 32(7 + 3x) (3x)(7)(21)
Answers: 2
Computers and Technology, 09.12.2019 20:31
Social Studies, 09.12.2019 20:31
Computers and Technology, 09.12.2019 20:31