Question

The expected value of the number of heads when two unbiased coins are tossed is?

• A. $1/2$
• B. $1$
• C. $3/4$
• D. $1/8$

Answer 1

Answer: (A)

$1/2$

Heads $=\frac{2}{4}=\frac{1}{2}$

Hence, the answer is $\frac{1}{2}.$