A coin is tossed 700 times and we get head 385 times and tail 315 times. Find the probability of getting a head.

$\frac{11}{20}$

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$\frac{315}{700}$

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Solution

The correct option is A
$\frac{11}{20}$

Probability = $\frac{N u m b e r o f t i m e s h e a d a p p e a r s}{T o t a l n u m b e r o f t r i a l s}$

Since the coin is tossed 700 times, total no. of trials = 700

Number of times head appeared = 385

Therefore, probability of getting a head = $\frac{385}{700}$ = $\frac{11}{20}$

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