1.

Two coins are tossed simultaneouses. Find P, Q and R respectively. Number of Heads Required probability (i) 0 P (ii) 1 Q (iii) 2 R

A.                                \[\frac{1}{2},\frac{1}{4},\frac{1}{4}\]              
B. \[\frac{1}{4},\frac{1}{4},\frac{1}{2}\]               
C.              \[\frac{1}{4},\frac{1}{2},\frac{1}{4}\]              
D.  \[\frac{1}{2},\frac{1}{2},\frac{1}{4}\]
Answer» D.  \[\frac{1}{2},\frac{1}{2},\frac{1}{4}\]


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