Name: Class: Date: Question #1 Jordan has a bag of marbles and a spinner. The bag of marbles has 10 marbles in it, 6 of which are red. The spinner is divided into 4 equal sections: blue, green, red, and yellow. What is the probability Jordan will pick a red marble out of the bag and land on the red section when spinning the spinner? 60% 40% C 2% D 1% Page 1 of 13
Question #2 There are 12 boys and 16 girls in Marco's class (including Marco).What is the probability that a student chosen at random from Marco's class will be a boy? 3 4 4 7 C 3 7 D 2 Question #3 Olivia has a box of 20 colored tiles. There are four types of colors including black, green, white, and yellow. There are 8 black tiles, 4 green tiles, 3 white tiles, and yellow tiles. Olivia will pick a tile from the box without looking, record its color, and put it back in the box. If Olivia does this 400 times, about how many times can she expect to pick a green tile? 4 20 C 40 D 80 Page 2 of 13
Question #4 fair coin is tossed 4 times. What is the probability that tosses will result in 3 heads and 1 tails in any order? 1 16 3 16 C 1 4 D 3 4 Question # Tyree and rad are each given a bag of marbles. Tyree's bag of marbles has a total of 8 marbles in it, 2 of which are red. rad's bag has a total of 10 marbles in it, 4 of which are red. If both Tyree and rad reach into their bags and pull out a marble, which is more likely to pull out a red marble and why? C D rad. He has a 2% better chance to pull out a red marble. rad. He has a 1% better chance to pull out a red marble. Tyree. He has a 2% better chance to pull out a red marble. Tyree. He has a 1% better chance to pull out a red marble. Page 3 of 13
Question #6 Isaiah is ordering a sub sandwich for lunch. He can have turkey, ham, chicken, roast beef, or tuna. His bun choices are wheat, honey oat, and white. How many different sub combinations can Isaiah order? 1 12 C 4 D 7 Question #7 box contains red marbles, 8 white marbles, and 4 green marbles. One marble is taken out of the box at random. What is the probability and the likelihood that the marble taken out will not be green? C D 4/17, unlikely 4/17, likely 13/17, unlikely 13/17, likely Page 4 of 13
Question #8 2 bag contains pink, yellow, and green marbles. The probability of randomly selecting a pink marble is. 1 The probability of randomly selecting a yellow marble is. 3 Which statement is true? C D Pink is the least likely colored marble to be randomly selected. Yellow is the least likely colored marble to be randomly selected. Green is the least likely colored marble to be randomly selected. There is not enough information to determine which is least likely to be randomly selected. Question #9 There are 4 colors of Starburst flavors: yellow, pink, red, and orange. If the probability of getting an 2 1 3 orange is, yellow is, and the probability of getting red is, what is the probability of getting pink? 10 10 0 1 C 2 D 4 10 Page of 13
Question #10 fair coin was flipped 0 times. It landed on heads 29 times. What is the experimental probability that the coin landed on tails? 8% 0% C 42% D 29% Question #11 ntonio has a bag of mixed candies. He has green, 7 yellow, and 4 red. What is the probability that ntonio will pick a yellow candy? C D equally likely least likely impossible most likely Page 6 of 13
Question #12 box contains 200 tickets. Some tickets are blue, and some are black. Suppose a student without looking chooses a ticket out of the box, records the color, and then places the ticket back in the box. The student has recorded 27 blue tickets and 23 black. Using this result, what is the best prediction of the number of black tickets in the box? C D 23 tickets 0 tickets 92 tickets 108 tickets Question #13 Nancy is going to pick a marble out of a bag without looking. There are three colors of marbles in the 1 bag blue, red, and purple. The probability of choosing a blue marble is, and the probability of picking a 4 2 red marble is. 3 What is the probability of Nancy picking a purple marble? 1 12 1 6 C 1 3 D 2 3 Page 7 of 13
Question #14 bag contains 4 blue marbles, 4 green marbles, and 2 yellow marbles. Sydney selects a marble without looking and then puts it back. If she does this times, what is the best prediction possible for the number of times Sydney will pick a yellow marble? 1 2 C D 10 Page 8 of 13
Question #1 The letters,, D, and R are each written on an index card and then put into a hat. If each letter is drawn randomly, what is the probability of drawing the letters -R--D in that order? 1 4 1 12 C 1 24 D 1 36 Page 9 of 13
Question #16 The table gives the eye colors of students in a class. What is the probability that a student chosen at random from the class does not have brown eyes? 7 2 9 2 C 12 2 D 13 2 Page 10 of 13
Question #17 The state governor is scheduled to visit Edwards Middle School. One student will be randomly selected to give the governor a tour of the school. The number of students in each grade level at the school is listed in the table. What is the probability the student selected is in the 7 th grade? 1 2 1 3 C 1 20 D 1 30 Page 11 of 13
Question #18 Cara keeps all her shorts and T-shirts in a drawer. She has 4 pairs of shorts: blue, gray, green, and black, and 6 T-shirts: blue, green, yellow, red, gray, and pink. One morning, she grabbed a T-shirt and pair of shorts from her drawer without looking. What is the probability that Cara chose shorts and T-shirt of the same color? 1 8 8 C 1 24 D 21 24 Question #19 Hal rolls a fair six-sided die 60 times. What is the best prediction of the number of times Hal will roll a 3 or a 6? C D exactly 20 times roughly 20 times exactly 30 times roughly 30 times Page 12 of 13
Question #20 Emily is tossing a fair coin. She tosses the coin 9 times, and it lands on tails 8 times. If Emily tosses the coin a tenth time, what is the probability that it will land on tails? 8 9 2 C 1 D 1 2 Page 13 of 13