S2 New 21 Right Triangle Similarity
Quiz
56710
Active
TIME
5:
1
2
3
4
What is the value of c?
w
b
X
04 units
4
а
5 units
6 units
C
0 7 units

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