Statistics And Probability Question 209

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

Options:

A) $ \frac{1}{2} $

B) $ \frac{1}{64} $

C) $ \frac{^{8}C_4}{8} $

D) $ \frac{^{8}C_4}{2^{8}} $

Show Answer

Answer:

Correct Answer: D

Solution:

  •         Required probability  $ =\frac{{}^{8}C_4}{2^{8}}. $