1. 15.7 Probability Day 3

2. There are 2 nickels, 3 dimes, and 5 quarters 1.) Find the probability of selecting 1 nickel, 1 dime, and 1 quarter in that order without replacement. Total = 10 P(N, D, Q) =

3. There are 2 nickels, 3 dimes, and 5 quarters 2.) Find the probability of selecting 1 nickel, 1 dime, and 1 quarter in any order without replacement. Total = 10 (From #1): P(N, D, Q) How many ways? 3 coins, arranging 3 = 3!= 6

4. There are 2 nickels, 3 dimes, and 5 quarters 3.) Find the probability of selecting 1 nickel, 1 dime, and 1 quarter in any order WITH replacement. Total = 10 P(N, D, Q) = Still 6 arrangements:

5. A red, green, and yellow die are tossed. Find the probability: 1.) All 3 dice show a six. P(6, 6, 6) = I know, its creepy!!

6. A red, green, and yellow die are tossed. Find the probability: 2.) The green die shows an odd number and the other 2 show different even numbers. Odd #s: 1, 3, 5 Even #s: 2, 4, 6 there are 3! G reen R ed Y ellow

7. A red, green, and yellow die are tossed. Find the probability: 3.) All 3 dice show the same number. 1 1 1 or 2 2 2 or 3 3 3 or 4 4 4 or 5 5 5 or 6 6 6 Same probability for each There are 6 ways!

8. Standard Deck of Cards 52 cards in the deck 26 black, 26 red 4 suits: hearts, diamonds, clubs, spades 13 of each suit Clubs (Black) Hearts (Red) Diamonds (Red) Spades (Black)

9. Homework #7 12-5 Practice WS