Let $p$ be the probability that a coin will fall head in a single toss in order to test
$H_0 : p = 1/2$ against $H_1 : p = 3/4$.
The coin is tossed 5 times and $H_0$ is rejected if more than 3 heads are obtained. Then the probability of Type-I error is:
🎥 Video solution / Text Solution of this question is given below: