एक घटना के घटित होने की प्रायिकता 3/7 है
इस घटना के ना घटने की प्रायिकता
कया होगी
kya answer right hai and step by step
Answers
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Answer:
p(A)+p(A)'=1
p(A}'=1-3/7
p(A)'=4/7
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