Question

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?

Answer 1