A coin is tossed 100 times and head is obtained 65 times .Find the probability of getting 1 head in 2 toss.
Given: A coin is tossed $100$ times and $65$ times head is obtained.
To do: To find the probability of getting $1$ head.
solution:
Probability of getting a head in $100$ toss $=\frac{Number\ of\ favorable\ outcomes}{Number\ of\ Possible\ outcomes}$
$=\frac{65}{100}$
$=\frac{13}{20}$
Probability of getting a head in 2 toss $=\frac{13}{20}\times2$
$=\frac{26}{20}$
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