A fair coin is tossed a fixed number of times. If the probability of getting seven heads is equal to that of getting nine heads, the probability of getting two heads, is

A fair coin is tossed a fixed number of xx.If the probability of getting seven heads is equal to that of getting nine heads,the probability of getting two heads is 15/2^(8) b.2/15 c.15/2^(13) d.none of these

A fair coin is tossed a fixed number of xx.If the probability of getting 7 heads is equal to that of getting 9 heads,then probability of getting 3 heads is

An unbiased coin is tossed is tossed a fixed number of times. If the probability of getting 4 heads equals the probability of getting 7 heads, then the probability of getting 2 heads , is

A unbaised coin is tossed n times. If the probability of getting 5 heads is equal to the probability of getting 6 heads then probability of getting 3 heads is

A fair coin is tossed fixed times. The probability of getting 7 heads is equal to probability of getting 9 heads. Then find the probability of getting 2 heads

A fair coin is tossed at a fixed number of xx.If the probability of getting exactly 3 headsequals the probability of getting exactly 5 heads,then the probability of getting exactlyone head is

A fair coin is tossed n times. If the probability of getting 7 heads is equal to the probability of getting 9 heads,then the value of n will be

A coin is tossed two times. Find the probability of getting atmost one head.