VIEWS: 15 PAGES: 9 POSTED ON: 4/12/2012 Public Domain
Page 1 ? ? What is the probability of an event that is impossible? What is the probability of an event that always happens? 0 1 ? ? Which of the following is more likely to occur? Which of the following is more likely to occur? ¾ or 70% 1/3 or 35% ¾ 35% ? ? Which of the following is more likely to occur? Which of the following is more likely to occur? ½ or 50% ¼ or 20% same ¼ ? ? When flipping a fair coin, what is the probability of If a person rolls two dice, what is the probability of the coin landing “tails”? getting a five as the sum? ½ or 50% 4/36 or 1/9 or ≈11% ? ? If a person rolls two dice, what is the probability of If a person rolls two dice, what is the probability of getting a nine as the sum? getting a six as the sum? 4/36 or 1/9 or ≈11% 5/36 Page 2 ? ? Max has 5 coins in his pocket that total 47 cents. What What is the probability that a card randomly selected is the probability that he will reach into his pocket and from a standard deck will be a king and a club? pull out a dime? 1/52 1/5 or 20% ? ? Max has 5 coins in his pocket that total 47 cents. What What is the probability that a card randomly selected is the probability that he will reach into his pocket and from a standard deck will be a nine or a heart? pull out a penny? 16/52 or 4/13 2/5 or 40% ? ? Max has 5 coins in his pocket that total 47 cents. What What is the probability that a card randomly selected is the probability that he will reach into his pocket and from a standard deck will be a nine or a queen? pull out a quarter? 8/52 or 2/13 1/5 or 20% ? ? Levi has 3 blue shirts and 1 red shirt.. What is the What is the probability that a card randomly selected probability that he will wear a blue shirt? from a standard deck will be a nine and a red card? ¾ or 75% 2/52 or 1/26 ? ? A jar contains 2 red, 3 blue, and 4 green marbles. Tom A jar contains 2 red, 3 blue, and 4 green marbles. Niki draws one marble from the jar, what is the probability draws one marble from the jar, what is the probability that the marble is red? that the marble is green? 2/9 or ≈22% 4/9 or ≈44% Page 3 ? ? What is the probability that the spinner will land on a vowel both times, if the spinner is spun What is the probability that the spinner will land on a twice? The spinner is divided into equal “R” if the spinner is spun once? The parts. spinner is divided into equal parts. 9/36 or 1/4 1/6 ? ? What is the probability that the spinner will land on a “F” or a “R”, if the spinner is spun once? What is the probability that the spinner will land on a The spinner is divided into equal parts. vowel, if the spinner is spun once? The spinner is divided into equal parts. 2/6 or 1/3 1/6 ? ? A yogurt shop offers four different flavors of frozen A yogurt shop offers three different flavors of frozen yogurt and eleven different toppings. How many yogurt and eleven different toppings. How many choices choices are possible for a single serving of frozen are possible for a single serving of frozen yogurt with yogurt with one topping? one topping? 44 33 ? ? Stanwood Builders has a development of new homes. There are four different floor plans, four exterior A number cube with the numbers 1 through 6 is rolled. colors, and an option of either a one-car or a two-car Find the probability of rolling a number less than 6. garage. How many choices are there for one home? 5/6 32 ? ? The table shows the drink preferences of 50 You mix the letters S, E, M, I, T, R, O, P, I, C, A, and L shoppers at the mall. What is the probability that thoroughly. Without looking, you draw one letter. Find the one shopper, selected at random from the 50 probability of picking an “I”. surveyed, preferred either Drink D or Drink E? 2/12 or 1/6 19/50 Page 4 ? ? In your last 8 basketball games, you attempted 25 free In your last 8 basketball games, you attempted 25 free throws and made 16. What is the experimental throws and made 11. What is the experimental probability of you making a free throw in your next probability of you making a free throw in your next game? (Give answer as a percent.) game? (Give answer as a percent.) 64% 44% ? ? From a barrel of colored marbles, you randomly select From a barrel of colored marbles, you randomly select 7 blue, 5 yellow, 8 red, 4 green, and 6 purple marbles. 7 blue, 5 yellow, 8 red, 4 green, and 6 purple marbles. Find the experimental probability of randomly Find the experimental probability of randomly selecting selecting a marble that is NOT yellow. a marble that is green or purple. 25/30 10/30 or 1/3 ? ? From a barrel of colored marbles, you randomly select From a barrel of colored marbles, you randomly select 7 blue, 5 yellow, 8 red, 4 green, and 6 purple marbles. 7 blue, 5 yellow, 8 red, 4 green, and 6 purple marbles. Find the experimental probability of randomly Find the experimental probability of randomly selecting selecting a marble that is yellow. a marble that is NOT red. 5/30 22/30 ? ? From a barrel of colored marbles, you randomly select A coin is tossed and a number cube is rolled. What is 7 blue, 5 yellow, 8 red, 4 green, and 6 purple marbles. the probability that the coin shows heads and the Find the experimental probability of randomly selecting number cube shows 2? a marble that is blue. 1/12 7/30 ? ? From a barrel of colored marbles, you randomly select A coin is tossed and a number cube is rolled. What is 7 blue, 5 yellow, 8 red, 4 green, and 6 purple marbles. the probability that the coin shows tails and the Find the experimental probability of randomly selecting number cube shows a number less than 4? a marble that is not blue or red. ¼ 15/30 or 1/2 Page 5 ? ? If a letter in the word “MICHIGAN” is randomly If a letter in the word “BASEBALL” is randomly selected, what is the probability that the letter selected selected, what is the probability that the letter selected will be an “I” or an “A”? will be a “B” or an “L”? 3/8 4/8 or ½ ? ? What is the probability of selecting 1 blue marble What is the probability of selecting 1 red marble from a from a bag of 4 blue marbles and 7 red marbles? bag of 4 blue marbles and 7 red marbles? 4/11 7/11 ? ? An apartment complex is offering a raffle with a 1 in An apartment complex is offering a raffle with a 1 in 50 probability of winning a car. What decimal 200 probability of winning a car. What decimal represents the probability of winning a car? represents the probability of winning a car? 0.02 0.005 ? ? Fourteen out of 20 students in Mrs. Taylor’s wore red Fourteen out of 20 students in Mrs. Taylor’s wore red today. What is the probability that a student selected today. What is the probability that a student selected at at random is wearing red? Give your answer as a random is not wearing red? Give your answer as a percent. percent. 70% 30% ? ? What is the probability of selecting 1 yellow marble What is the probability of selecting 1 green marble from from a bag of 4 yellow marbles and 3 green marbles? a bag of 4 yellow marbles and 3 green marbles? 4/7 3/7 Page 6 ? ? If the chance of rain tomorrow is 60%, is it more The weather forecast stated that the chance of rain for likely to rain or not to rain? Wednesday is 40%. Does this forecast mean that it is more likely to rain or not to rain? Rain Not to rain ? ? What is the probability of drawing a “heart” from a What is the probability of drawing a “spade” from a normal deck of 52 cards? normal deck of 52 cards? 13/52 or ¼ 13/52 or 1/4 ? ? What is the probability that a coin will land heads up What is the probability of rolling a six with one roll of a three times in three tosses? pair of dice? 1/8 5/36 ? ? Jim tossed a coin once and it turned up heads. What is What is the probability of rolling a nine with one roll the probability that he will get heads on the next toss of of a pair of dice? the coin? 4/36 or 1/9 ½ ? ? With one roll of a pair of dice, what is the probability of rolling a number greater than 9? What is the probability that a coin will land heads up twice and tails up once in three tosses? 6/36 or 1/6 3/8 Page 7 10 10 Find the relative frequency of the players wearing a What is the probability of picking a square with a shirt with the color red. If it is more than 1/2, then question mark from the game board? take a bonus roll. Move that many spaces forward. 10 10 Count the number of spaces you are from the finish What is the probability of picking a square with a “10” line. If fewer than 10, go back 2 spaces. If more than from the game board? 10, go forward 2 spaces. If equal to 10, stay where you are. 4/36 or 1/9 10 10 Send any player back to Start. Move forward 2 spaces, or move another player back 5 Say you’re sorry, even if you’re not. spaces. 10 10 Move forward 2 spaces, or move every player back 1 Roll 2 dice. Multiply them together. If the number is space. greater than the number of people in the classroom, then move ahead 2 spaces. 10 10 What is the probability of picking a square with What is the relative frequency of boys in the classroom? nothing from the game board? If it is more than 50%, then move ahead 2 spaces. 10/36 or 5/18 . Page 8 10 10 Roll 2 dice. If the sum is 10, go to the next “?” space. What is the relative frequency of girls in the classroom? Follow directions on the “?” card. If it is more than 50%, then move ahead 2 spaces. 10 10 If an opponent has an October birthday, move ahead 5 What is the relative frequency of students in the spaces. classroom wearing tennis shoes? If it is more than 75%, then move ahead 2 spaces. 10 10 If an opponent has more than 6 people living in their If an opponent is an only child, move ahead 3 spaces. home, then move ahead 3 spaces. 10 10 If an opponent has a June birthday, move ahead 4 What is the probability of rolling a number greater than spaces. 7 with a pair of dice? 15/36 or 5/12 10 10 If your teacher is wearing glasses, then move ahead 2 What is the probability of rolling a number less than 6 spaces. with a pair of dice? 10/36 or 5/18 Page 9 10 10 If your uncle is going to send you a letter in June, Name an event that will have a probability of 50%. If what is the probability it will arrive on June 8? correct move ahead 2 spaces, if not move back 1 space. 1/30, move 1 space if correct 10 10 You have a choice of picking a number less than 4 or picking a number greater than 4. If your number Pick a number between 1 and 6. Roll the die, if your comes up then move 1 space ahead if you picked a number comes up, then move ahead 2 spaces. number less than 4, but 3 spaces ahead if you picked a number greater than 4. 10 10 Name something that has a probability of 0. If correct Name something that has a probability of 1. If correct move ahead 2, if not move back 1. move ahead 2, if not move back 1. 10 10 Roll 2 die, if the sum is less than 5, move ahead 2 What is the relative frequency of students in the spaces. classroom that are in band? If more than 50%, move ahead 3 spaces. 10 10 Roll 1 die three times. Add the numbers subtract 10, Roll 2 dice. If the sum is 10, move ahead 5 spaces. and move ahead that number. If a negative number, move back that number.