PracticeQuiz content is free on an ad-supported model.
Unfortunately, we can't support ad blocker usage because of the impact on our servers. If you'd like to continue, please disable your ad blocker and reload page.
137.There are 6 blue, 8 red, and 4 green marbles in the bag. If 5 marbles are picked at once, what is the probability of picking 2 green and 3 red marbles from the bag?
138.There are 15,750 visitors at the football stadium. One of them is to be selected at random to win a prize. If the probability that a woman will be selected is 2/63, what is the number of women at the stadium?
140.Peter draws 3 cards from a deck of 52 cards. Each time he draws a card from the deck, he puts it aside. What is the probability of drawing a heart in the third attempt?