Tabulation of a Strike Vote Showed That 90% of Those

Multiple Choice

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 more than 45 of the voters from your sample voted in favour of strike action?

A) 0.50
B) 0.0948
C) 0.5948
D) 0.4052
E) None of the choices are correct.