The probability of getting 4 heads in 8 throws of a coin, is... | MATH - USE OF PERMUTATIONS AND COMBINATIONS IN PROBABILITY | SolveeIt | Solveeit

Today, August 18

Question

The probability of getting 4 heads in 8 throws of a coin, is

A

$\frac { 1 } { 2 }$

B

$\frac { 1 } { 64 }$

C

$\frac { { } ^ { 8 } C _ { 4 } } { 8 }$

D

$\frac { { } ^ { 8 } C _ { 4 } } { 2 ^ { 8 } }$

Answer

$\frac { { } ^ { 8 } C _ { 4 } } { 2 ^ { 8 } }$

Explanation

Solution

Required probability $= \frac { { } ^ { 8 } C _ { 4 } } { 2 ^ { 8 } }$