Q. The probability of getting at least one tail in 4 throws of a coin is
A) $\frac{15}{16}$
B) $\frac{1}{16}$
C) $\frac{1}{4}$
D) None of these
Explanation
(a)
Required probability$= 1 - \left( \frac{1}{2} \right)^{4} = \frac{15}{16}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.