Suppose the student council consists of 10 freshmen, 12 sophomores, 25 juniors, and 23 seniors. A person to head up the next fundraiser is needed, but no one volunteered. The teacher sponsor says she will randomly choose a student since no one volunteered. Match the following: 1.probability a freshman will be chosen36%
2.probability a sophomore will be chosen33%
3.probability a junior will be chosen14%
4.probability a senior will be chosen17%

What is the value of f(x) = 2.2 for f(-2)?

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

28 x 12 + 34 = ? it's for a test that if i fail on i will not proceed into the honor roll society i always dreamed of!me! worth 50 !