The probability of rolling doubles on two six-sided dice is 1/6 . if you roll two dice 80 times about how many doubles can you expect to roll?

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

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?

With this question, the answer with the red arrow is incorrect!