It is know that 40% of voters in a certain electorate are in favour of a particular candidate. If a sample of size 30 is taken, what is the probability that less than 35% are in favour of this political candidate?
A) 40%
B) Less than 0.10%
C) 28.77%
D) None of these choices are correct.

Question

Quizplus · Accepted Answer

The probability can be calculated using the binomial distribution or normal approximation. The probability of less than 35% (10.5 voters) in favor is approximately 28.77%.

It Is Know That 40% of Voters in a Certain