Mathematics, 18.04.2020 02:04 cannaincorporated

Which of the following isare) the solution(s) to 8| x-3| = -24 ?

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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?

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Mathematics, 21.06.2019 19:10, mmaglaya1

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Mathematics, 21.06.2019 22:50, Yangster9305

Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables

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Mathematics, 22.06.2019 00:30, OperatorBravo