Mike and his two friends wanted to try out for a sports team at the middle school. Mike tries out for baseball and has a 35% chance of success (making the team). Jeff tries out for the track team and has a 60% chance of success. Bill decided he wants to play tennis and has a 25% chance of success. What is the probability that all three boys will make their teams? I have been stuck on a few of these for 2 days

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