Question
Download Solution PDFदो घटना R और S के लिए मान लीजिए P(R) = 0.4, P(S) = p और P(R ∪ S) = 0.6 हैं। तो p किसके बराबर है?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFसंकल्पना:
P(R ∪ S) = P(R) + P(S) - P(R \(\cap\) S)
यदि R और S पारस्परिक रूप से असंयुक्त हैं, तो P(R \(\cap\) S) = 0 है।
गणना:
माना कि R और S पारस्परिक रूप से असंयुक्त हैं, तो
P(R ∪ S) = P(R) + P(S) - P(R \(\cap\) S)
0.6 = 0.4 + p - 0
p = 0.2
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