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Probability and Statistics

Math · Problem-Solving and Data Analysis · 36 questions · every one comes with a full explanation.

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  1. 1Each face of a fair 14 -sided die is labeled with a number from 1 through 14 , with a different number appearing on each face. If the die is rolled one time, what is the probabiliEasy · Problem-Solving and Data Analysis
  2. 2The table shows the number of different colors of marbles in a bag. If a marble is chosen at random from the bag, what is the probability that the marble will be blue?Easy · Problem-Solving and Data Analysis
  3. 3Customer Purchases at a Gas Station Beverage purchased Beverage not purchased Total Gasoline purchased 60 25 85 Gasoline not purchased 35 15 50 Total 90 40 135 OnEasy · Problem-Solving and Data Analysis
  4. 4The table above shows the number of students from two different high schools who completed summer internships in each of five years. No student attended both schools. Of the studenEasy · Problem-Solving and Data Analysis
  5. 5A total of 25 men registered for singing lessons. The frequency table shows how many of these singers have certain voice types. If one of these singers is selected at random, what Easy · Problem-Solving and Data Analysis
  6. 6How many of the males surveyed responded that they do not play a school sport?Easy · Problem-Solving and Data Analysis
  7. 7The table gives the distribution of votes for a new school mascot and grade level for 80 students. Mascot Grade level Sixth Seventh Eighth Total Badger 4 9 9 22 Lion 9 2 Easy · Problem-Solving and Data Analysis
  8. 8Each rock in a collection of 70 rocks was classified as either igneous, metamorphic, or sedimentary, as shown in the frequency table. Classification Frequency igneous 10 metamoEasy · Problem-Solving and Data Analysis
  9. 9Of the 8 planets in our solar system, 4 are considered rocky. If a student randomly selects 1 of those 8 planets as a topic for a report, what is the probability that the selected Easy · Problem-Solving and Data Analysis
  10. 10In a study of cell phone use, 799 randomly selected US teens were asked how often they talked on a cell phone and about their texting behavior. The data are summarized in the tableEasy · Problem-Solving and Data Analysis
  11. 11A band with 45 members has 11 members who play saxophone. If one band member is selected at random, what is the probability of selecting a band member who plays saxophone?Easy · Problem-Solving and Data Analysis
  12. 12A store received a shipment of 1,000 MP3 players, 4 of which were defective. If an MP3 player is randomly selected from this shipment, what is the probability that it is defective?Easy · Problem-Solving and Data Analysis
  13. 13There are n nonfiction books and 12 fiction books on a bookshelf. If one of these books is selected at random, what is the probability of selecting a nonfiction book, in terms of nEasy · Problem-Solving and Data Analysis
  14. 14For a particular machine that produces beads, 29 out of every 100 beads it produces have a defect. A bead produced by the machine will be selected at random. What is the probabilEasy · Problem-Solving and Data Analysis
  15. 15A bag contains a total of 60 marbles. A marble is to be chosen at random from the bag. If the probability that a blue marble will be chosen is 0.35, how many marbles in the bag areEasy · Problem-Solving and Data Analysis
  16. 16There are 20 buttons in a bag: 8 white buttons, 2 orange buttons, and 10 brown buttons. If one of these buttons is selected at random, what is the probability of selecting a whEasy · Problem-Solving and Data Analysis