Operating-Systems
October 5, 2023Computer-Organization
October 5, 2023TIFR PHD CS & SS 2013
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Question 4
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A biased coin is tossed repeatedly. Assume that the outcomes of different tosses are independent and probability of heads is 2/3 in each toss. What is the probability of obtaining an even number of heads in 5 tosses, zero being treated as an even number?
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121/243
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122/243
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124/243
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125/243
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128/243
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Correct Answer: B
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