There is a particular probability that each student in a certain class will skip class tomorrow, and these probabilities are independent. If the probability that Jan will skip class tomorrow is 0.36 0.36 and the probability that Deva will skip class tomorrow is 0.29 0.29, what is the probability that more than 1 of the 2 students will skip class tomorrow?

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