that PCQ)=o.42 PCR) = 0:31, find PCQUR) Grven it PIR are mutually exclusine events. EX3 EXI A A Bag contains 3 Red and 7 Blue bally. A Red basl is raun at Randan what n the brwbabn.n that Second bnll drawn a+ Randum Is also Red ER 2 A Coin is tossed 3 Times O write dowm the Samble space f What is he probabnily that it landi head 3 7me at least 1 7n

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