Find the required possibility for binomial distribution.
Sociology- dating in Chances- Risks and Odds in Everyday Life, James Burke privileges that about 70% of all single men would welcome a woman taking the initiative in asking for a date. A random ex of 20 single men was asked if they would welcome a woman taking the initiative in asking for a date. What is the likelihood that
a) At least 18 of the men will say yes?
b) Fewer than 3 of the men will say yes?
c) None of the men will say yes?