1. How are all graphs alike? How are frequency tables, bar graphs, and histograms different?
2. Find the mean, median, mode and range of the following data?
13, 13, 24, 24, 25, 25, 31, 31, 31, 40
3. Use the data from question number 2, identify the upper and lower extremes to use in a Box-and Whiskers plot?
4. What is the probability of rolling a number 3 or less on a die (cube with the numbers 1 ? 6) on it? State your answer as a percent.
5. A school class contains 12 girls and 10 boys. The teacher randomly calls on a student. What is the probability that the student is not a girl? State your answer as a fraction in lowest terms.
6. Suppose there are two spinners. One spinner is half read and half black. The other spinner has 3 equal sections labeled 1, 2, 3. Find the probability of spinning read on the first spinner and ? 1 ? on the second spinner.
7. Suppose a bag contains 10 marbles. All marbles are the same size. One marble is red, two are green, three are blue and four are black. A marble will be taken from the bag two times. Each time a marble is taken out; it is replaced. What is the probability of drawing a red and green marble?
8. Assume you have the same bag of marbles as in question # 7 above. What is the probability of drawing a black marble each time?
9. Choose any four letters of the alphabet. How many different ways can those four letters be arranged?
10. There are five crayons each a different color in a box. How many different ways can those five crayons be put into the box?
2006-07-12
03:08:58
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15 answers
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asked by
Anonymous