In a survey of 1398 people, 987 people said they voted in a recent presidential election. Voting records show that 68% of eligible voters actually did vote. Given that 68% of eligible voters actually did vote, (a) find the probability that among 1398 randomly selected voters, at least 987 actually did vote. (b) What do the results from part (a) suggest? (a) P(X2987)= (Round to four decimal places as needed.) (b) What does the result from part (a) suggest? OA. People are being honest because the probability of P(x2987) is less than 5%. OB. Some people are being less than honest because P(x2987) is at least 1%. OC. Some people are being less than honest because P(x ≥ 987) is less than 5%. OD. People are being honest because the probability of P(x2 987) is at least 1%.
In a survey of 1398 people, 987 people said they voted in a recent presidential election. Voting records show that 68% of eligible voters actually did vote. Given that 68% of eligible voters actually did vote, (a) find the probability that among 1398 randomly selected voters, at least 987 actually did vote. (b) What do the results from part (a) suggest? (a) P(X2987)= (Round to four decimal places as needed.) (b) What does the result from part (a) suggest? OA. People are being honest because the probability of P(x2987) is less than 5%. OB. Some people are being less than honest because P(x2987) is at least 1%. OC. Some people are being less than honest because P(x ≥ 987) is less than 5%. OD. People are being honest because the probability of P(x2 987) is at least 1%.
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 50E: Flexible Work Hours In a recent survey, people were asked whether they would prefer to work flexible...
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In a survey of 1398 people, 987 people said they voted in a recent presidential election. Voting records show that 68% of eligible voters actually did vote. Given that 68% of eligible voters actually did
vote, (a) find the probability that among 1398 randomly selected voters, at least 987 actually did vote. (b) What do the results from part (a) suggest?
(a) P(X2 987)= (Round to four decimal places as needed.)
(b) What does the result from part (a) suggest?
OA. People are being honest because the probability of P(x ≥ 987) is less than 5%.
OB. Some people are being less than honest because P(x2987) is at least 1%.
OC. Some people are being less than honest because P(x ≥ 987) is less than 5%.
OD. People are being honest because the probability of P(x ≥ 987) is at least 1%.
C
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