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Table 1 identifies a group of children by one of four hair colors, and by type of hair. Fill in the blanks in the following
Table 1 identifies a group of children by one of four hair colors, and by type of hair. Fill in the blanks in the following table to complete it.
Hair Type | Brown | Blond | Black | Red | TOTALS |
Wavy | 10 | 10 | 10 | 35 | |
Straight | 30 | 20 | 3 | ||
Totals | 25 | 90 |
Write the answers to the questions below with decimals rounded up to 2 digits. Do not use percentage form
- The probability that a randomly selected child will have wavy hair is
- The probability that a randomly selected child will have either brown or blond hair is
- The probability that a randomly selected child will have wavy brown hair is
- The probability that a randomly selected child will have red hair, given that he or she has straight hair is
- If B is the event of a child having brown hair, the probability of the complement of B is
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