Two coins are tossed 1000 times and the outcomes are recorded as below . Based on this information, the probability for at least two tails is : a) 1/5 b) 1/4 c) 4/5 d) 3/4
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required probability= p(0heads)+p(1head)
Step-by-step explanation:
=250/1000+550/1000=800/1000=4/5=0.8 answer
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