Answer Happy

Probability: Problem 3 Previous Problem Problem List Next Problem (1 point) A fair coin is tossed three times and the events A, B, and are defined as follows: A : At least one head is observed ) B: At least two heads are observed ) C: { The number of heads observed is odd ) Find the following probabilities by summing the probabilities of the appropriate sample points (note that is an even number): (a) P(not B)= 1/2 (b) P((not A) or C) = (c) P((not A) or Bor (not C)) =