Answer Happy

Suppose 30.2% of high school students smoke cigarettes and 39.9% use alcohol. If 15.1% of high school students use alcohol and smoke cigarettes, what is the probability that a randomly chosen high school student will either smoke cigarettes, use alcohol, or both? 9.7% 55.0% 70.1% 85.2% SUBMIT

QUIZ 3 1 2 3 4 5 VIEW LIST Say that a game consists of two steps. First, you roll a die. If you roll an even number, you continue; otherwise, you lose the game. If you rolled an even number and can continue playing the game, the second step is to draw a random card from a standard deck of 52 playing cards. If you draw an even number (.e., 2,4,6,8, or 10), you win. What is the probability that you will win this game? 3/52 5/26 10/26 25/58 SUBMIT

Edna is fouled hard in an exciting basketball game. It is ruled a flagrant foul, and the opponent is tossed from the game. As a result, Edna is allowed to shoot two free throws. She is a good shooter and on average makes 85% of her free throws. Assuming independence between the 2 free throws, what is the probability that Edna will miss both free throws? 2.25% 12.75% 30.00% 72.25%

The probability that a randomly chosen American household owns a gun is 0.43 (source). The probability that a randomly chosen American household owns a microwave is 0.968. Assuming that these events are independent, what is the probability that a randomly chosen American household owns a gun AND does not own a microwave? 0.0000 0.0138 0.4620 0.5840

The probability that a randomly chosen American household owns a gun is 0.43 (source). The probability that a randomly chosen American household owns a refrigerator is 0.992. Assuming that every household that owns a gun also owns a refrigerator, what is the probability that a randomly chosen household owns a gun given that they own a refrigerator? 0.427 0.433 0.512 1.000