It's the first day of school and Anne is comparing her class schedule with her friends. Choose your answers to the questions and click 'Next' to see the next set of questions. So as not to hurt anyone's feelings, she chooses each name randomly from a hat without putting the previous selection back. Sam has to find one more pair of cards to win a memory game. Sign in. 7th grade. Kyle works at a local music store. Sign in now. Students develop theories about probability and then test these theories with experiments. What is the probability of selecting a vowel, and then after replacing the letter, also drawing an S? What is the probability of Jane selecting two cards and both of them being a vowel? A jar contains 3 red marbles, 7 green marbles and 10 white marbles. What is the probability that one of Melissa's classmates will be a brunette or have blue eyes? She rolls a one three times, a two one time, a four one time, and a five three times. What is the probability of Lisa flipping the coin and getting heads and spinning the spinner to land on green. We'll review your answers and create a Test Prep Plan for you based What do we call the ratio of the occurrence of a singular event and the total number of outcomes? Played 2670 times. Melissa collects data on her college graduating class. If there's an equal chance of Sam taking one of the given paths, then what is the probability that Grace or Noah will be correct? What is the probability that you or your sister wins the raffle? back Choose your answers to the questions and click 'Next' to see the next set of questions. 7th Grade Probability Review DRAFT. The Solutions and explanatiosn are included. appear. She has 60% of her friends in Geometry, and she has 40% of her friends in World History. Also, what is the probability that the producers will select Kasey and Michael for the show? Grade 7 math word problems with answers are presented. How many balls are blue? 3 years ago. Find the probability that either you or your friend will be chosen to give the first speech. In the bag, there are two blue marbles, three green marbles, and one white marble. Probability talks about the likelihood of occurrence of a phenomenon. This quiz is incomplete! What is the probability that the three students that are exempt will be all boys? Each student has an equal probability of being chosen. Each suit has an ace, cards numbered 2 through 10, and a jack, a queen, and a king.). A die is rolled and a coin is tossed, find the probability that the die shows an odd number and the coin shows a head. Find the probability of getting a queen. Out of the four times, she lands on orange once. Lisa has a two-sided coin with heads and tails. Live Game Live. She also has a spinner with four colors: green, blue, red, and yellow. In the shipment, there are 10 country CDs, 5 rock CDs, 12 hip hop CDs, and 3 jazz CDs. Grace bets that Sam will turn left when first entering the maze. The probability of winning a prize at a ball toss at a carnival is 2/7. If a marble is drawn from the jar at random, what is the probability that this marble is white? Improve your math knowledge with free questions in "Probability of simple events" and thousands of other math skills. The store receives a shipment of new CDs in a box. She tells Edward that she landed on orange 25% of the time. Some of these problems are challenging and need more time to solve. Mathematics. Good luck! Choose your answers to the questions and click 'Next' to see the next set of questions. What is the relative frequency in this data set of rolling a four? Not feeling ready for this? What is the probability of this event? Each coin has two possible outcomes H (heads) and T (Tails). If a person from this group is selected at random, what is the probability that this person has O blood type? A car lot has 50 Model A cars, 20 Model B cars, and 5 Model C cars. When asked which two ice creams are their favorite, 8 students said they enjoy chocolate and strawberry ice cream. A card is drawn at random from a deck of cards. What is the probability that the number rolled will be odd or prime? Earn Transferable Credit & Get your Degree. Sciences, Culinary Arts and Personal There is a total of 30 students. There are 10 houses on your block that are numbered 1-10. CREATE AN ACCOUNT Create Tests & Flashcards. This is a probability worksheet 7 th grade pdf for math practice and reviews. Out of the 30 students, what is the probability of a student enjoying ONLY chocolate or strawberry? Math. What is the probability that a student from Mrs. Allison's class drinks only almond or soy milk? Grade 7 EE.1 Probability of simple events . What are the chances she'll take Rachel and Kim? Thirty percent of Anne's friends are in Geometry and World History with her. Find the probability of getting the 3 of diamond. The blood groups of 200 people is distributed as follows: 50 have type. Skill Summary Legend (Opens a modal) Basic probability. Gary has a deck of 52 cards. Let set A = {socks, shoes, pants, shorts}. a) A die is rolled, find the probability that the number obtained is greater than 4. Two coins are tossed, find the probability that two heads are obtained. What are the odds of Sam turning over two cards and getting two cards with grapes? What is the probability that boys will place 1st, 2nd, and 3rd in the marathon?