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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

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?

Multiple Choice

0.50
0.4052
0.5948
0.0948?

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