If two fair coins are tossed, what is the probability of getting at least one head?
A
\(\frac{1}{4}\)
B
\(\frac{1}{2}\)
C
1
D
\(\frac{43}{78}\)
E
\(\frac{3}{4}\)
Verified Correct Answer: E.
Step-by-Step Mathematical Solution
Prob. of getting at least one head
Prob. of getting one head + prob. of getting 2 heads
= \(\frac{1}{4}\) + \(\frac{2}{4}\)
= \(\frac{3}{4}\)
Source: Myschool Past Questions Archive (Record #32258)