Manual web chat · medium response level. The saved transcript may include the prompt and web interface text.
This is a Korean CSAT mathematics multiple-choice problem. Solve it and put only the correct choice symbol, one of ①, ②, ③, ④, ⑤, inside \boxed{}.
Problem 24 For two eventsAandB, P(A) = 2 5 ,P(B|A) = 1 4 ,P(A∪B) = 1. Compute P(B). [3 points] ① 7 10 ② 3 4 ③ 4 5 ④ 17 20 ⑤ 9 10
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로그인 회원가입 You are solving a Korean CSAT mathematics problem. Reason carefully, but the final response must contain exactly one final answer inside \boxed{}.
For multiple-choice problems, put only one of ①, ②, ③, ④, ⑤ inside \boxed{}. For short-answer problems, put only the final integer inside \boxed{}. Do not use external tools.
Problem 24 For two eventsAandB, P(A) = 2 5 ,P(B|A) = 1 4 ,P(A∪B) = 1. Compute P(B). [3 points] ① 7 10 ② 3 4 ③ 4 5 ④ 17 20 ⑤ 9 10 더보기 ① ①
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Comparative Analysis (P23) (Average across runs)
Averages use reported measurements only. Missing usage is not treated as zero.