Lily sorted these solid figures into two groups. What is true about the groups? Group 1 Group 2 1) Each figure in Group 2 has one face. The figures in Group 2 are triangular prisms. Each figure in Group 1 has two faces. The figures in Group I are cylinders what's the 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