An airplane is flying at an altitude of 6000 m over the ocean directly towards a coastline. at a certain time the angle of depression to the coast line from the airplane is 14°. how much farther (to the nearest meter) does the airplane have to fly before it is directly above the coastline?

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