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14.Probability
easy
तीन सिक्के एक बार उछाले जाते हैं। वर्णन कीजिए।
दो घटनाएँ जो परस्पर अपवर्जी हैं।
Option A
Option B
Option C
Option D
Solution
When three coins are tossed, the sample space is given by
$S =\{ HHH , \,HHT , \,HTH ,\, HTT , \,THH , \,THT , \,TTH , \,TTT \}$
Two events that are mutually exclusive can be
$A:$ getting no heads and $B:$ getting no tails
This is because sets $A=\{T T T\}$ and $B=\{H H H\}$ are disjoint.
Standard 11
Mathematics
