Suppose that you were asked to construct a 99% confidence interval based on the standard normal distribution. Use software or a table of critical values from the standard normal distribution to determine the positive critical value, z, for the confidence interval. Give your answer to two decimal places, rounding to the nearest value if necessary.

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?