In a survey of 1342 people, 976 people said they voted in a recent presidential election. Voting records show that 70% of eligible voters actually did vote. Given that 70% of eligible voters actually did vote, (a) find the probability that among 1342 randomly selected voters, at least 976 actually did vote. (b) What do the results from part (a) suggest? (a) P(Xz976)= (Round to four decimal places as needed.)