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obtaining head in coin
Uma Maheswari
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Quantitative Aptitude
Dec 24, 2017
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A coin is tossed 10 times Find the probablity of obtaining head at least once
probability
Uma Maheswari
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Dec 24, 2017
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Uma Maheswari
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Probability of obtaining head at least once = 1 - ( Probability of obtaining tail all 10 times)
= 1 - (1/2)^10
= 1023/1024
Therefore , probability is 1023/1024
sravani inturi
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Dec 24, 2017
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Jan 31, 2018
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Sukanya Das
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Sample space size $= 1024$
No. of favourable cases $= 1024-1=1023$
Probability $= \frac{1023}{1024} =99.90 \%$
saxena0612
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Dec 24, 2017
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1023/1024
shaloo
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Apr 25, 2018
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shaloo
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