Flag Venn Diagrams The twelve most well-known flags in the world are shown opposite. 1. Write the names of the countries in the appropriate place in the Venn diagram below. Contains Red Contains Blue 2. Use the information below and your Venn diagram to answer the questions. π π = Red π΅π΅ = Blue π π β² = Not π π π΅π΅β² = Not π΅π΅ π π β© π΅π΅ means π π βͺ π΅π΅ means both π π and π΅π΅ either π π or π΅π΅ a) ππ(π π ) = (The probability of getting a red flag) b) ππ(π΅π΅) = (The probability of getting a blue flag) c) ππ(π π β© π΅π΅) = (The probability of getting a flag which is red and blue) d) ππ(π π βͺ π΅π΅) = (The probability of getting a flag which is red or blue) e) ππ(π π β² ) = (The probability of getting a flag which is not red) f) ππ(π π β© π΅π΅β² ) = (The probability of getting a flag which is red, but not blue) g) ππ(π π β² β© π΅π΅β² ) = (The probability of getting a flag which is not red, but also not blue) Flag Venn Diagrams SOLUTIONS The twelve most well-known flags in the world are shown opposite. 1. Write the names of the countries in the appropriate place in the Venn diagram below. 2. Use the information below and your Venn diagram to answer the questions. π π = Red π΅π΅ = Blue π π β² = Not π π π΅π΅β² = Not π΅π΅ π π β© π΅π΅ means π π βͺ π΅π΅ means both π π and π΅π΅ either π π or π΅π΅ 10 ππ a) ππ(π π ) = = 12 ππ (The probability of getting a red flag) ππ b) ππ(π΅π΅) = ππππ (The probability of getting a blue flag) ππ c) ππ(π π β© π΅π΅) = ππππ (The probability of getting a flag which is red and blue) 12 d) ππ(π π βͺ π΅π΅) = = ππ 12 (The probability of getting a flag which is red or blue) 2 ππ e) ππ(π π β² ) = = 12 ππ (The probability of getting a flag which is not red) ππ f) ππ(π π β© π΅π΅β² ) = ππππ (The probability of getting a flag which is red, but not blue) 0 g) ππ(π π β² β© π΅π΅β² ) = = ππ 12 (The probability of getting a flag which is not red, but also not blue)
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