19. There are 12 yellow, 5 blue, 14 red and 9 green marbles in a bag. A marble is chosen at random, replaced, then another marble is chosen. Find the probability of choosing a blue then not blue. \( P \) (blue, then not blue)

If you draw a card from a deck and do not replace it, what type of events does this represent when drawing a second card?

The probability of getting \( 80 \% \) or more of 28. the questions correct on a 10 - question truefalse exam merely by guessing is (A) \( 5 / 32 \) (B) \( 1 / 16 \) (C) \( 3 / 16 \) (D) \( 7 / 128 \)

Jim's sock drawer has two pairs of black socks, three pairs of white, one pair of green, and two pairs of gray. One evening he randomly picks three socks assuming that he will get a matched pair, but instead turns up with 1 black, 1 white, and 1 gray sock. Without putting back the socks he picked, picks another sock randomly. What is the probability that he will have a complete pair? A. \( \frac{2}{20} \)

Пусть веронтность получения удачного результата при производ- этве сложного химического опита равна \( 2 / 3 \). С какой вероятнос- тьв пять из семи опнтов о́удут удачными?

You pick a card from a shuffled pack and draw a king. You put it back in the pack, shuffle, and then pick another card. This time you draw a queen. How are the two events of picking a king and picking a queen related? A. dependent B. both dependent and independent C. independent D. neither dependent nor independent