THE GAME OF PIG. PROBABILITY AND EXPECTED VALUE. THE GAME OF PIG. IF YOU ROLL A 1, THEN YOUR TURN IS OVER. ROLL A SIX SIDED DIE. PIG STRATEGIES. WRITE DOWN THE BEST STRATEGY. WAITING FOR A DOUBLE. A DOUBLE MEANS HAVING THE SAME NUMBER SHOW ON BOTH DICE. GAMBLERS FALLACY.
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GAMBLERS FALLACY WE WILL CALL THREE IDENTICAL FLIPS IN A ROW A TRIPLET
VOCABULARY • THEORETICAL PROBABILITY • IS PROBABILITY DETERMINED ON THE BASIS OF A MODEL • OBSERVED PROBABILITY • IS PROBABILITY BASED ON ACTUAL RESULTS OF PAST EVENTS
SOLVING THE UNIT PROBLEM SUMMARIZE WHAT YOU HAVE LEARNED ABOUT THE BEST POSSIBLE STRATEGY FOR PIG.
WAITING FOR A DOUBLE • MAKE A PREDICTION • DO THE EXPERIMENT 10 TIMES • WHAT WAS THE LARGEST # OF ROLLS TO GET A DOUBLE? • WHAT WAS THE AVG OF THE TEN EXPERIMENTS?
WAITING FOR A DOUBLE • HOW CLOSE IS YOUR PREDICTED AVERAGE TO THE YOUR EXPERIMENTS AVERAGE?
THE GAMBLER’S FALLACY • WHAT DO YOU THINK ABOUT THE STRATEGY THE PEOPLE USED IN 1913 AT THE CASINO IN MONTE CARLO?
THE GAMBLER’S FALLACY • FLIP A COIN 25 TIMES AND RECORD EACH FLIP • FIND HOW MANY “SAME’S” AND “DIFFERENT’S” YOU GET
THE GAMBLER’S FALLACY • WHAT DOES THE GAMBLERS FALLACY SAY ABOUT THE ROULETTE STRATEGY? • HOW IS THE GAMBLER’S FALLACY RELATED TO STRATEGIES FOR THE GAME OF PIG...
THE GAMBLER’S FALLACY …DID YOU SOMETIMES STOP ROLLING BECAUSE YOU THOUGHT THERE WAS NOW A GREATER CHANCE OF ROLLING A 1?
WHAT ARE THE CHANCES? • REACHING INTO A BAG WITH 3 RED, 2 BLUE, AND 4 BLACK GUM BALLS AND PULLING OUT A BLUE? • FLIPPING A COIN TWICE AND GETTING DIFFERENT RESULTS?
WHAT ARE THE CHANCES? • SNOW FALLING SOMETIME IN JULY IN FLORIDA • SNOW FALLING SOMETIME IN JULY IN NEW ZEALAND
WHAT ARE THE CHANCES? • GOING TO A STORE AND NOT FINDING A T-SHIRT IN YOUR SIZE. • A STUDENT IN YOUR MATH CLASS WEARING SNEAKERS.
WHAT ARE THE CHANCES? • ROLLING A DIE AND GETTING A PRIME NUMBER. • ROLLING 2 DICE AND GETTING DOUBLES. • ROLLING A PAIR OF DICE AND GETTING DOULBES BY THE 3RD ROLL.
PAULA’S PIZZA • WHAT IS THE PROBABILITY SHE WILL GET WHAT SHE ORDERED? • WHAT IS THE PROBABILITY SHE WILL NOT?
PAULA’S PIZZA • PAULA ACTUALLY LIKES SAUSAGE AND PEPPERONI TOO. WHAT IS THE PROBABILITY SHE WILL GET A PIZZA SHE LIKES? • AND THE PROBABILITY SHE DOESN’T?
RUG GAMES WHAT’S THE PROBABILITY OF BEING HIT FOR EACH COLOR?