Pls help me. I am very confused.
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Mathematics, 21.09.2021 23:50 bri9263
Pls help me. I am very confused.
Answers: 2
Mathematics, 21.06.2019 18:40, calebhoover03
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, 04.02.2021 20:00
Mathematics, 04.02.2021 20:00
Mathematics, 04.02.2021 20:00