HIGHLINE SCHOOL DISTRICT
5TH GRADE MATH OLYMPIAD
March 25, 2000

 School: __________

Team number: ____

Probability and Statistics

1). What is the probability of rolling a sum of 9 with 2 fair dice? ______


2). If you draw two cards from a standard deck of 52 cards, what is the probability that they will both be face cards? _______


3). Students in Mrs. Ashley's English class had to pick 2 of the 4 Shakespeare plays below to read. Assuming the students chose randomly, what is the probability of a student choosing both Hamlet and Macbeth?

  • Macbeth
  • Hamlet
  • Othello
  • Julius Caesar
Answer: _____


4). Find the mean, mode, median, and range of this data set.

40, 15, 18, 26, 15, 42, 18, 15, 9

mean: ___ mode: _____ median: _____ range: ______
5). I have a bag of marbles with 7 green marbles, 11 blue marbles, and 8 red marbles. What is the probability of drawing 2 red marbles at random out of this bag? ______