Given that 40% of employed persons are in favour of the implementation of the flexi-week, in a sample of 30 employed persons determine the following: a.) The probability that less than 28 workers are...

Given that 40% of employed persons are in favour of the implementation of the flexi-week, in a sample of 30 employed persons determine the following:

a.) The probability that less than 28 workers are in favour of the flexi-week.

b.) The probability that no more than 1 worker is in favour of the flexi-week.