What is the expected number of heads in 200 tosses of an unbiased coin?
A) 50
B) 75
C) 100
D) 125

Question

Quizplus · Accepted Answer

The expected number of heads when tossing a fair coin is equal to the probability of getting heads on a single toss, which is 0.5, multiplied by the number of tosses, which is 200. Therefore, the expected number of heads in 200 tosses is 0.5 x 200 = 100. Choice C is the only option that matches this result.

What Is the Expected Number of Heads in 200 Tosses