A fair coin is tossed a fixed number of items. If the probability of getting heads is equal to that of getting heads, then the probability of getting heads is
Explanation for correct option:
Step-1: Define events:
Number of times coin tossed
Probability of getting heads
Probability of getting tails
Step-2 : Calculate the value of
As per the condition given
Probability of getting seven heads Probability of getting nine heads
Step3. Probability of getting three heads:
Substitute the value of in
Hence, option(A) is the correct answer.