Question

e following table identifies a group of children by one of four hair colors, and by...

e following table identifies a group of children by one of four hair colors, and by type of hair.

Hair Type Brown Blond Black Red Totals
Wavy 21 15 5 48
Straight 79 13 12
Totals 20 218

  • Part (a) Complete the table.

  • Hair Type Brown Blond Black Red Totals
    Wavy 21 15 5 48
    Straight 79 13 12
    Totals 20 218

  • Part (b)

    What is the probability that a randomly selected child will have wavy hair? (Enter your answer as a fraction.)

  • Part (c)

    What is the probability that a randomly selected child will have either brown or blond hair? (Enter your answer as a fraction.)

  • Part (d)

    What is the probability that a randomly selected child will have wavy brown hair? (Enter your answer as a fraction.)

  • Part (e)

    What is the probability that a randomly selected child will have red hair, given that he has straight hair? (Enter your answer as a fraction.)

  • Part (f)

    If B is the event of a child having brown hair, find the probability of the complement of B. (Enter your answer as a fraction.)

  • Part (g)

    If B is the event of a child having brown hair, what does the complement of B represent?
Math   Statistics-And-Probability   
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