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1. An important numerical measure of the shape of a distribution is the
Question Type: Multiple Choice

2. Two events are mutually exclusive if
Question Type: Multiple Choice

3. 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

4. If the data distribution is symmetric, the skewness is
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5. __________ can be used to determine the percentage of data values that must be within one, two, and three standard deviations of the mean for data having a bell-shaped distribution.
Question Type: Multiple Choice

6. A lottery is conducted using three urns. Each urn contains chips numbered from 0 to 9. One chip is selected at random from each urn. The total number of sample points in the sample space is
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7. Any process that generates well-defined outcomes is
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8. The union of events A and B is the event containing
Question Type: Multiple Choice

9. 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

10. An experiment consists of four outcomes with P(E1) = 0.2, P(E2) = 0.3, and P(E3) = 0.4. The probability of outcome E4 is
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11. The probability of an intersection of two events is computed using the
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12. The collection of all possible sample points in an experiment is
Question Type: Multiple Choice

13. 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

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