I need help with this math question :(
...
Answers: 2
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 20:00
Parabolas y=β2x^2 and y=2x^2 +k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.
Answers: 1
Biology, 08.05.2021 03:00
Chemistry, 08.05.2021 03:00
Mathematics, 08.05.2021 03:00
Mathematics, 08.05.2021 03:00
Mathematics, 08.05.2021 03:00
English, 08.05.2021 03:00
Computers and Technology, 08.05.2021 03:00
Mathematics, 08.05.2021 03:00