PLZ help me this is my last assignment for today.
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Answers: 1
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
Answers: 3
Mathematics, 22.06.2019 01:20
Geometry - finding area of regular polygons and sectors (check my math, i can’t find the error)
Answers: 3
Mathematics, 22.06.2019 03:00
Aplane is flying at 32,500 feet. it needs to rise to 36,000 feet in two stages.• in stage 1, it rises 5% of its initial altitude of 32,500 feet.• in stage 2, it rises at a rate of 125 feet per minute.how many minutes does it take for the plane to rise during stage 2?
Answers: 1
Mathematics, 26.08.2021 23:10
Mathematics, 26.08.2021 23:10
Mathematics, 26.08.2021 23:10
Mathematics, 26.08.2021 23:10
Chemistry, 26.08.2021 23:10