Peter is playing a game the probability of winning is 0.3 , what is the probability of not wining pls answer correctly
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Let A be an event of winning and B be an event of losing the game.
Given P(A)=0.3
Total probability =P(A)+P(B)
⇒ 1=0.3+P(B)
⇒ P(B)=1−0.3=0.7
∴ P(B)=0.7
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