In a survey of 1467 people, 1021 people voted
Probability that at least 1021 did vote
In a survey of 1467 people, 1021 people said they voted in a recent election.
Voting records show that 67% of the eligible voters actually did vote.
Given that 67% of the voter actually did vote:
Find the probability that among 1467 randomly selected voters, at least 1021 actually did vote.