A piggy bank contains fifty 50p coins, twenty five Re 1 coins, ten Rs 2 coins and Rs 5 could. If it is equally likely that one of the coins will fall out when the bank is turned down upside down, what is the probability that the coin ( I ) will be a 50p coin? ( II ) will not be a Re5 coin?
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Step-by-step explanation:
given that , 50 coins of 50paise
25 coins of 1re
10 coins of rs2
1 coin of rs5
let event e be that coin 50 paise will fall out
P(e)=50/180= 25/90=5/18
(ii) let event g b the event of rs 5
we have to find g'
P(g')=1−P(g)=1− 1/180=
=179/180
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