There are marbles of various sizes and colors in a bag. The probability of the marble being blue is .25. The probability of a marble being large is .4. The probability of a marble being both blue and large is .2. What is the probability that a blue marble is selected, given that it is large?

What is the ratio of the length of an object in yards to the length of the same object in miles?

In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.

Jane’s favorite fruit punch consists of pear, pineapple, and plum juices in the ratio 5: 2: 3. chapter reference how much punch can she make if she has only 6 cups of plum juice?