Our environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 6.4 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 8 samples is 5.9 ppm with a variance of 0.49. assume the population is normally distributed. a level of significance of 0.02 will be used. find the value of the test statistic. round your answer to three decimal places.

think about the doctor who treated the major and the speaker in the short story "in another country." put yourself in the shoes of the doctor, and based on what you read in the story, write what you think his thoughts about the major and the speaker would be. use the following vocabulary in your response and change the form of these words as needed: detached resign withered

answer: b

step-by-step explanation: im sorry bro bro but thats not a eqation the human mind can answer and plus im a devil

113.1

step-by-step explanation:

v=4

3πr3=4

3·π·33≈113.09734

answer: $13,622.84

step-by-step explanation: check the picture for info and stats : )