Consider the expression -28 - (-45.3 + 35.2). It has been simplified below with some values unknown. Line 1 : -33 - (-45.3 + 35.2) = - *3 - (?)

Line 2:

The missing value for line 1 is

The missing value for line 2 is

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