Tabulation of a strike vote showed that 90% of those voting cast their ballot in favour of strike action. You take a sample of 50 voters. Assume this to be a binomial distribution. What is the probability that fewer than 40 of your sample voters are in favour of strike action?
A) 0.2594
B) 0.4952
C) 0.0048
D) 0.0091

Question

Quizplus · Accepted Answer

The probability can be calculated using the binomial distribution formula with n=50, p=0.9, and finding P(X<40). Using a binomial calculator or statistical software, P(X<40) is approximately 0.0048.

Tabulation of a Strike Vote Showed That 90% of Those