A coin is tossed $150$ times and the outcomes are recorded. The frequency distribution of the outcomes $H$ (i.e, head) and $T$ (i.e, tail) is given below :
Outcome $H$ $T$
Frequency $85$ $65$
Find the value of $P (H)$ , i.e, probability of getting a head in a single trial.

P (H) = 0.75

(approx)

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P (H) = 0.9

(approx)

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P (H) = 0.15

(approx)

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None of these

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Solution

The correct option is D None of these
Total number of trials $=$ $150$
Chances or trials which favour the outcome $H =$ $85$
$P (H) =$ $\frac{85}{150}$ = $0.567$ (approx)

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