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Author Question: A couple has three children. Assuming each child has an equal chance of being a boy or a girl, what ... (Read 67 times)

nummyann

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on: Aug 1, 2018
A couple has three children. Assuming each child has an equal chance of being a boy or a girl, what is the probability that they have at least one girl?
 a. .125
  b. .5
  c. .875
  d. 1

Question 2

If a fair penny is tossed three times and comes up heads all three times, the probability of heads on the fourth trial is _____.
 a. smaller than the probability of tails
  b. larger than the probability of tails
  c. 1/16
  d. None of the answers is correct.


Anonymous

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Reply #1 on: Aug 1, 2018
Answer to Question 1

c

Answer to Question 2

d


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