find the probability of exactly 4 successes in 7 tails of a binomial experiment in which the probability of success is 55%
Round to the nearest tenth of a percent.

P = [ ? ] =

I put in 29% and it was wrong.
I put in 28.4% and 28% and it was wrong.
I put in 22.?% and it was wrong.

I am desperate for help.