1-4-11 A.M.D.M. REVIEW – FALL SEMESTER UNIT I: DUE 1-5-11

Name______Period______

  1. The Venn diagram below represents the candy at a Halloween party.
  1. How many chocolate candies are there?
  1. How many candies do not have chocolate and also do not have peanuts?
  1. What is the probability of a person selecting a chocolate candy that also has peanuts?
  1. What is the probability of a person selecting a candy that doesn’t have chocolate and also does not have peanuts?
  1. A bag contains 3 bad apples and 9 good apples. Two apples are chosen at random and not replaced. What is the probability that both apples will be bad?
  1. A family is going shopping for a video game system. The probability that they will purchase an Xbox is 0.29. The probability that they will purchase a Playstation-3 is 0.34. The probability that they will purchase a Wii is 0.36. The chance they will select a different gaming system is 0.01.

What is the probability that they will purchase a Playstation-3 or a Wii?

  1. In a particular neighborhood, 15% of the students are on the swim team and run track, and 27% of all the students are on the swim team. What is the probabilitythat a student runs track given that the student is on the swim team?
  1. A basketball player is able to shoot free throws successfully about 70% of the time. Assume that each throw is independent. If he shoots 20 hoops, how many baskets to we expect him to make?
  1. A group of musicians were surveyed and the results are shown in the table below. Produce a Venn diagram to represent the data.

Instrument / Number of musicians
Only Piano / 5
Only Guitar / 19
Both Piano and Guitar / 12
Neither instrument / 14
  1. You buy a package glass Christmas ornaments on clearance for 75% off. Over the summer, 5 of them break in storage. If the package has 5 broken ornaments and 13 good ornaments, what is the probability that next year when you begin decorating your tree, the first two ornaments you take out are broken?
  1. What percentage of points falls below the lower quartile?______

What percentage of points is above the lower quartile?______

What percentage of points falls below the upper quartile?______

What percentage of points is above the upper quartile?______

Students are expected to work together, however every student must do their own work and turn in their own work. Turning in someone else’s work will be considered cheating and will result in a zero for this assignment and subject to further disciplinary action.