Three fair coins are tossed and either heads or tails is observed for each coin. Events A and B are defined as follows. A: {Three heads are observed}. B: {Exactly two heads are observed}. Is P(A ∪ B) equal to the sum of P(A) and P(B)? Explain.

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The Answer of Three fair coins are tossed and either heads or tails is observed for each coin. Events A and B are defined as follows. A: {Three heads are observed}. B: {Exactly two heads are observed}. Is P(A ∪ B) equal to the sum of P(A) and P(B)? Explain.

Three Fair Coins Are Tossed and Either Heads or Tails