A driving exam consists of 30 multiple-choice questions. Each of the answers is either right or wrong.
Question:
A driving exam consists of 30 multiple-choice questions. Each of the answers is either right or wrong. Suppose that the probability of making fewer than 7 mistakes is 0.23 and the probability of making from 7 to 15 mistakes is 0.41. Find the probability of making:
a. 16 or more mistakes
b. 7 or more mistakes
c. At most 15 mistakes
d. Which two of these three events are complementary? Explain.
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a P 16 or more mistakes 1 P fewer than7 P 7 to 15 mistak...View the full answer
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Related Book For 
Introductory Statistics Exploring The World Through Data
ISBN: 9780321978271
2nd Edition
Authors: Robert Gould, Colleen Ryan
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