Please help with easy and clear solution.. Thanks..

Consider the following binomial experiment. A company owns 6 machines. The probability that on a given day any one machine will break down is 0.59. What is the probability that at least 4 machines will break down on a given day?

a) 0.4814

b) 0.5236

c) 0.3770

d) 0.2523

e) 0.0002

f) None of the above.