F Х
99°\ 11 ft
S
52°
D
22 ft
99°
C
9 ft
6 ft
B
A
12 ft
29° 52°
E
Your
x = 33, S = 52
X = 16.5, S = 29°
x = 14, S = 99°
x = 18, S = 52°
Clear answer

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