Question

Probability a coin is tossed 140 times head was obtained 84 times find the phrohability of getting tail

Answer 1

probabilty of getting tail is also 140 but if you are asking after the result than it is 56/140.

Answer 2

Hi,
The coin was tossed 140 times in total.
Head was obtained 84 times out of 140.
Tales was obtained = x
x+84=140
x=140-84
x=56.
Now, probablity = no. obtained/total no.
=56/140
=4/10 (after simplifying the fraction)
So, The probablity of getting tail is 4/10 ANS.

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