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1. The weights (in pounds) of a sample of 36 individuals were recorded and the following statistics were calculated mean = 160 range = 60 mode = 165 variance = 324 median = 170 The coefficient of variation equals
Question Type: Multiple Choice

2. The probability of an intersection of two events is computed using the
Question Type: Multiple Choice

3. If the data distribution is symmetric, the skewness is
Question Type: Multiple Choice

4. If A and B are mutually exclusive, then
Question Type: Multiple Choice

5. If P(A) = 0.38, P(B) = 0.83, and P(A Ç B) = 0.57; then P(A È B) =
Question Type: Multiple Choice

6. Of five letters (A, B, C, D, and E), two letters are to be selected at random. How many possible selections are there?
Question Type: Multiple Choice

7. One of the basic requirements of probability is
Question Type: Multiple Choice

8. If P(A) = 0.85, P(A È B) = 0.72, and P(A Ç B) = 0.66, then P(B) =
Question Type: Multiple Choice

9. The collection of all possible sample points in an experiment is
Question Type: Multiple Choice

10. A(n) __________ is a graphical representation in which the sample space is represented by a rectangle and events are represented as circles.
Question Type: Multiple Choice

11. An experiment consists of tossing 4 coins successively. The number of sample points in this experiment is
Question Type: Multiple Choice

12. The probability of at least one head in two flips of a coin is
Question Type: Multiple Choice

13. A researcher has collected the following sample data. The mean of the sample is 5. 3 5 12 3 2 The coefficient of variation is
Question Type: Multiple Choice

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