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Two coins are tossed 1000 times and the outcomes are recorded as below Based on this information, the probability for atmost one head isA. `1/5`B. `1/4`C. `4/5`D. `3/4`

Answer» Correct Answer - C
The total number of coins tossed, n(S)=1000
Number of outcomes in which atmost one head, n( E)=550+250=800
`therefore` Probability for atmost one head =`(n( E))/(n(S))=800/1000=4/5`
Hence, the probability for atmost one head is `4/5`.


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