Aresearcher is studying mirex contamination in farmed salmon. he first found a 95% confidence interval for the mean concentration to be 0.0834 to 0.0992 parts per million. later he rejected the null hypothesis that the mean did not exceed the epa's recommended safe level of 0.08 ppm based on a p-value of 0.0027. explain how these two results are consistent, discussing the confidence level, the p-value, and the decision.?

70 points ! pls 2. given the following two sets of data what is the union of the two sets and what is the intersection of the two sets. set a = {1, 2, 3, 4, 5, 6, 7, 8, 9} set b = {2, 4, 6, 8, 10, 12, 14} 3. given a regular deck of cards. describe a way of pulling cards that would create a dependent event and then one that would create an independent event. 4. what is the probability of drawing a red card and then drawing a spade without replacing the card that was drawn first?