LJU . Example 29. Determine the probability of throwing (a) Three (b) an even number (c) multiple of 3 with an ordinary six faced die.
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- The given jar contains yellow (Y), blue (B), and red (R) balls. Anne randomly chooses a single ball from the can shown here. Find the odds against the event. red (R) State the odds against red in lowest terms. The odds against red are (Type whole numbers.) to R BNoneThere are 55 customers in the cafeteria, 30 bought either bought coffee or a bagel. There were 35 customers who bought a bagel and 45 who bought coffee. What is the probability of randomly selecting a customer who bought both coffee and a bagel? Show your work on the scratchpad. P (Coffee and Bagel) = Write you answer as a fraction reduced.
- Lauren wants to find the probability of landing on heads when flipping a coin. She flipped the coin 100 times, and landed on heads 47 times. She reasons that the probability of flipping a heads is (47)/(100\deg ). This probability represents: AYou want to know the probability that you will select a king of any suit from a deck of cards. You calculate the probability by dividing the number kings in the pack by the total number of cards in the pack (52) . This is an example of classical ?Suppose you play a game of rolling a 12-face die. You win if you roll a “3” or “6” or “9”. Otherwise, you lose. a. What is the probability of winning a game? Your answer is 1/4 . Write your answer in decimal number. b. What is the probability of losing a game? Your answer is Write your answer in decimal number. c. Suppose you pay $10 to play the game. You get $10 if you win. Otherwise, you lose the $10. What is your expected value of betting on “3”, “6”, “9”. Hint: 10 x (probability of winning) + (–10) x (probability of losing). Your answer is Write your answer in decimal number. d. What is your expected value of betting on “3”, “6”, “9” for 50 times. Your answer is