TS EAMCET 4 May 2018 Shift 1 Solved Paper

Section: Mathematics
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Question : 41 of 160
 
Marks: +1, -0
Ail executive in a company makes on an average 5 telephone calls per hour at a cost of Rs.2 per cell. The probability that in any hour the cost of the calls exceeds a sum of Rs.4 is
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