A box contains 6 tickets. Two of the tickets carry a prize of Rs. 5/- each, the other four a prize of Rs.1/-. If one ticket is drawn. The mean value of prize is
A
Rs. 2.5
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B
Rs. 7/3
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C
Rs. 5/3
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D
Rs.4/3
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Solution
The correct option is B Rs. 7/3 The probability of drawing a ticket out of six is 16 Hence the mean prize if one ticket is drawn is (5(16))+(5(16))+(16)+((16))+(16))+((16)) =2×[5×16]+46 =106+46 =146 =73 rupees.