CUET Preparation Today
A coin is tossed K times. If the probability of getting 3 heads is equal to the probability of getting 7 heads, then the probability of getting 8 tails is: |
$\frac{5}{512}$ $\frac{45}{2^{21}}$ $\frac{45}{1024}$ $\frac{210}{2^{21}}$ |
$\frac{45}{1024}$ |
The correct answer is Option (3) → $\frac{45}{1024}$ |
