Two hot air balloons, one red and one blue, took off at the same time from different platforms. Each began
ascending at a constant rate.
The following equation gives the height (in meters) of the red hot-air balloon as a function of time (in
seconds)
h =
The height (in meters) of the blue hot air balloon as a function of time (in seconds) is given by the following
table of values:
Time (seconds) Height (meters)
4
or
6
6
8.
7

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