Question
The probability of a lottery ticket being a prized ticket is 0.2. When 4 tickets are purchased, the probability of winning a prize on atleast one ticket is -.
Answer: Option B
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P(winning prize atleast on one ticket)= 1 - P("Losing on all tickets")= 1 - (0.8)4 = (1 + (0.8)2)(1 - (0.8)2)= (1.64)(0.36) = 0.5904
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