It has been found that one out of every ten people who visit a retail website make a purchase worth R500 or more. If we randomly select a sample of 13 visitors to the website, what is the probability...

It has been found that one out of every ten people who visit a retail website make a purchase worth R500 or more. If we randomly select a sample of 13 visitors to the website, what is the probability that More than 3 of the visitors will make a purchase worth R500 or more. Interpret your answer.