Over which interval of the domain is function m negative? 10-
8.
6.
12
1-10
-A
-6
-
2
A
6
8
10
-2
-2-
-4
-6
-8-
-10
OA. (0,00)
OB. (-00, 4)
Oc. (-00, 6)
OD. (6,00)

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