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 19:30
Me. i can't figure out this question. give an explanation too. .
Answers: 1
Mathematics, 21.06.2019 21:00
X+y=-4 x-y=2 use elimination with adding and subtraction
Answers: 3
What is 4/27 as an improper fraction?...
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