1) Express the likelihood of an event occurring: Bills are due on the 32nd of the month. a) likely b) equally likely c) certain d) impossible e) unlikely 2) Express the likelihood of an event occurring: It will rain if there is thunder. a) likely b) equally likely c) certain d) impossible e) unlikely 3) Express the likelihood of an event occurring: Scoring a touchdown will result in 6 points a) likely b) equally likely c) certain d) impossible e) unlikely 4) Express the likelihood of an event occurring: If you do your homework, your grades will improve. a) likely b) equally likely c) certain d) impossible e) unlikely 5) There are three different colored candies: red, green, and white. The probability of selecting a red candy is 2/5, and the probability of selecting a green candy is 1/4. What is the probability of selecting a white candy? a) 2/5 b) 1/4 c) 7/20 d) 3/25 6) The letters in the word APRIL are put into a bag and drawn randomly. What is the P(A)?  a) 3/5 b) 1/5 c) 2/5 d) 4/5 e) 1 7) The letters in the word APRIL are put into a bag and drawn randomly. What is the P(vowel')? a) 3/5 b) 1/5 c) 2/5 d) 4/5 e) 1 8) The letters in the word APRIL are put into a bag and drawn randomly. What is the P(vowel)? a) 3/5 b) 1/5 c) 2/5 d) 4/5 e) 1 9) In Mr. Martinez's sixth period class, there are 8 bus riders and 12 walkers. What is the probability of randomly selecting a student that walks to school? a) 3/5 b) 2/3 c) 2/5 10) The weather report says there is a 30% chance of rain. What is the probability it does not rain? a) 30% b) 50% c) 70% d) 100% 11) The numbers 1-12 are written on a card and placed in a bag. What is the probability that a number divisible by 3 is drawn? What represents its complement? a) 1/3; 2/3 b) 4/5; 1/5 c) 1 d) 3/4; 1/4 12) In the movie drawer, there are seven action movies, five comedies, and three dramas. What is the probability of choosing an action or a comedy? a) 1/5 b) 5/5 c) 4/5 d) 2/5 13) A basket of beads contains 8 red beads, 6 yellow beads, and 6 green beads. A bead will be drawn from the basket and replaced 60 times. What is a reasonable prediction for the number of times a green bead is drawn? a) 6 green beads b) 18 green beads c) 12 green beads d) 20 green beads 14) A bag contains a total of 100 black and white marbles. Without looking, a marbel is chosen, recorded, and placed back in the bag. A student records drawing 8 black marbles and 2 white marbles. Predict the number of black marbles in the bag. a) 10 black marbles b) 8 black marbles c) 2 black marbles d) 80 black marbles 15) The list below shows the different pizza choices at the local pizza shop: Based on these results, what is the theoretical probability of choosing a Hawaiian pizza?  a) 1/9 b) 7/11 c) 3/7 d) 6/11 16) Each week in the library, Mrs. Hoskins features popular books in the display. Jack randomly choose one book to read. What is the theoretical probability that it is a biography. This week includes: a) 4/15 b) 6/15 c) 2/15 d) 3/15 17) A bag of marbles includes only green and red marbles. The results of an experiment are shown in the table below. What is the experimental probability of selecting a green marble?   a) 3/10 b) 1/2 c) 7/10 18) A bag of marbles includes only green and red marbles. The results of an experiment are shown in the table below. What is the experimental probability of selecting a green or red marble? a) 70% b) 30% c) 100% d) 1% 19) A school requires students to wear uniforms. They can choose from the following options. How many total choices does a student have? a) 3 b) 6 c) 8 d) 12 20) Four coins are flipped. What is the probability of the coins all landing on heads? a) 1/4 b) 1/8 c) 1/16 d) 1/2 21) The letters of the alphabet are written on cards and placed in a brown paper bag. What is the probability of drawing a consonant, replacing it, and then selected the bouncy ball again. What is the probability that this could occur? a) 2/625 b) 25/625 c) 1/625 d) 1/5 22) Derek is selecting a sock from his drawer. He chooses a sock at random and then randomly selects a second sock. What is the probability that Derek selected a striped sock both times? a) 4/15 b) 2/15 c) 1/15 d) 6/15 23) A box of granola bars contains 3 chocolate chip bars, 2 peanut butter bars, 1 lemon bar, and 4 raisin bars. Iesha will randomly select a granola bar from the box and then select another bar. What is the probability that the first bar Iesha selects will be lemon the second will be raisin? a) 2/45 b) 1/45 c) 4/45 d) 1/15 24) The spinner below is spun twice. What is the probability of the arrow landing on a diamond and then a triangle? a) 1/2 b) 4/49 c) 5/7 d) 5/49 25) A school requires students to wear uniforms. They can choose from the following options. If a student randomly selects one item from each clothing category, then what is the probability they will be wearing all navy? a) 3/7 b) 1/2 c) 1/16 d) 3/16

Probability Unit Study Guide

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