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Mathematics, 21.06.2019 22:50
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 01:00
Astudent drew a circle and two secant segment. he concluded that if pq ~= ps, then qr ~= st. do you agree with the studentās conclusion? why or why not?
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Mathematics, 22.06.2019 02:20
The function p(x) = ā2(x ā 9)2 + 100 is used to determine the profit on t-shirts sold for x dollars. what would the profit from sales be if the price of the t-shirts were $15 apiece?
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