Probability is expressed as a. a decimal c. a percent b. a fraction d. any of the above In a probability experiment to simulate an event such as the gender of a baby, what you would use? a. a sixsided die c. a spinner with 3 equal sectors b. a coin d. none of the above If something is certain, the probability is a. l b. 1 c. 2 d. 1000 2 A bag has identical balls of these colours: 1 white, 6 red, 9 green, and 3 purple. Without looking, a ball is drawn from the bag. You would most likely get a a. green ball b. purple ball 6. red ball (1. white ball 4 The probability that an event occurs is E' What is the probability that the event does not occur? a. i b. l e. i d. i 12 12 12 12 . The outcomes of a probability experiment can be organized in a. a graph G. a tree diagram b. a table d. any of the above One round of a probability experiment is referred to as a(n) a. event b. ratio c. simulation (1. trial 10. 11. 12. If the probability of having rain tomorrow is 60%, what is the probability of not having rain tomorrow? a. l b. 2 c. 3 d. 6 5 5 5 When a coin is tossed 4 times, what is the total number of possible outcomes? a. 4 b. 8 c. 12 d. 16 What could be the experimental probability of drawing a black face card from a deck of playing cards with the jokers removed? a. 6 b. 11.5% c. 3 d. all of the above 5 26 The letters of the word MATHEMATICS are written on cards (one letter per card) and placed in a bag. Without looking, a card is drawn from the bag. What is the probability of drawing a letter M? a. 2 b. 4 c. 6 d. 8 1 i E 1 The letters of the word MATHEMATICS are written on cards (one letter per card) and placed in a bag. Without looking, a card is drawn from the bag. What is the probability of drawing a letter that is a vowel? a. i b. i c. E d. i ll 11 11 11 What is the probability that it will snow during the winter in northern Canada? a. certain 0. equally likely as not snowing b. impossible d. none of the above Which probability experiment has the greatest number of possible outcomes? a. tossing a coin b. spinning a spinner with 7 equal sectors all of different colours c. rolling a sixsided die (1. taking one marble from a bag with 2 red, 1 black, and 1 yellow marbles A scratch-andwin ticket is made up of ve spots, each covering a symbol. Of the ve spots, only two have identical symbols. You have to get two identical symbols by scratching only two spots. What would you use to simulate this event in a probability experiment? a. two six-sided dice b. two coins c. two spinners, each with ve equal sectors (1. none of the above Two coins are tossed simultaneously. What is the probability of tossing two heads? a. 25% b. 50% c. 75% d. 100% A coin is tossed three times. What is the probability of tossing three heads in succession? a. l b. 3 c. 1 d. 2 3 3 2 S 18. 19. 20. 21. 22. 23. 24. A coin is tossed three times. What is the probability of tossing at least two heads? a. l b. j c. l d. 4 8 2 A six-sided die is rolled. What is the probability of rolling a 4? a. l b. l e. l d. I5 4 3 What is the probability, as a fraction, of rolling a 2 on a six-sided die? a. l b. l c. E d. 6 2 6 Derek buys a single ticket for a bike rafe. There are 600 tickets sold. What is the probability that Derek's ticket being picked? a. L b. 17% c. l d. ISUD Phil's batting average is 0.640. What is the probability of Phil getting a hit? a. 36% b. 64% c. 68% d. Two six-sided dice are rolled. What is the probability of rolling a pair (both the same number)? a. i b. i c. l d. I5 36 6 Two six-sided dice are rolled. What is the probability of rolling a total of 9? 5 8 MII E 2 600 l 100% 1 4 29. 30. Tina draws a card at random from a deck of cards numbered from 1 to 40. What is the probability of drawing a card with a number divisible by 5? a. 1 b. 1 c. 1 d. _ _ _ 2 4n 3 5 3 When every outcome has an equal chance of occurring you have a a. fixed trial 0. xed sample b. random event d. statistic data \fIf you spin this spinner 30 times, how may times do you expect the pointer to land on red? Red Green Blue