Mathematics, 23.04.2020 02:07 jalenJohnson6t
Scores on a test have a mean of 66 and a standard deviation of 9. Michelle has a score of 57. Convert Michelle’s score to z-score
Answers: 2
Mathematics, 21.06.2019 13:00
Officer brimberry wrote 24 tickets for traffic violations last week, but only 9 tickets this week. what is the percent decrease? give your answer to the nearest tenth of a percent.
Answers: 1
Mathematics, 21.06.2019 13:10
True or false? a triangle can be circumscribed about a given circle
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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
Scores on a test have a mean of 66 and a standard deviation of 9. Michelle has a score of 57. Conver...
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