6.02 QUIZ COMPARE EXPRESSTIONS 1. WHICH SYMBOL REPLACES THE BOX TO MAKE THE STATMENT TRUE?
16 DIVIDED BY 4 +12 BLANK 4+ 24 DIVIDED BY 2
A.
C. =
2. SAME QUESTION AS 1. SO HERE IS THE EXPRESTION
2 . 18 - 18 BLANK 2 . [ 28 - 3 . (2+4)]
A. > B.< C. =
ILL HAVE ANOTHER QUESTION WITH 2 OR 3 MORE AND I NEED ASAP

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