Assume that 28.9% of people have sleepwalked. Assume that in a random sample of 1534 adults, 484 have sleepwalked. a. Assuming that the rate of 28.99% is correct, find the probability that 484 or more of the 1534 adults have sleepwalked. b. Is that result of 484 or more significantly high? c. What does the result suggest about the rate of 28.9%? a. Assuming that the rate of 28.9% is correct, the probability that 484 or more of the 1534 adults have sleepwalked is ? (Round to four decimal places as needed.) b. Is that result of 484 or more significantly high? because the probability of this event is V than the probability cutoff that corresponds to a significant event, which is c. What does the result suggest about the rate of 28.9%? O A. Since the result of 484 adults that have sleepwalked is significantly high, it is not strong evidence against the assumed rate of 28.9%. O B. Since the result of 484 adults that have sleepwalked is not significantly high, it is not strong evidence against the assumed rate of 28.9%. O c. The results do not indicate anything about the scientist's assumption. O D. Since the result of 484 adults that have sleepwalked is not significantly high, it is strong evidence against the assumed rate of 28.9%. O E. Since the result of 484 adults that have sleepwalked is significantly high, it is strong evidence against the assumed rate of 28.9%. OF. Since the result of 484 adults that have sleepwalked is significantly high, it is strong evidence supporting the assumed rate of 28.9%.
Assume that 28.9% of people have sleepwalked. Assume that in a random sample of 1534 adults, 484 have sleepwalked. a. Assuming that the rate of 28.99% is correct, find the probability that 484 or more of the 1534 adults have sleepwalked. b. Is that result of 484 or more significantly high? c. What does the result suggest about the rate of 28.9%? a. Assuming that the rate of 28.9% is correct, the probability that 484 or more of the 1534 adults have sleepwalked is ? (Round to four decimal places as needed.) b. Is that result of 484 or more significantly high? because the probability of this event is V than the probability cutoff that corresponds to a significant event, which is c. What does the result suggest about the rate of 28.9%? O A. Since the result of 484 adults that have sleepwalked is significantly high, it is not strong evidence against the assumed rate of 28.9%. O B. Since the result of 484 adults that have sleepwalked is not significantly high, it is not strong evidence against the assumed rate of 28.9%. O c. The results do not indicate anything about the scientist's assumption. O D. Since the result of 484 adults that have sleepwalked is not significantly high, it is strong evidence against the assumed rate of 28.9%. O E. Since the result of 484 adults that have sleepwalked is significantly high, it is strong evidence against the assumed rate of 28.9%. OF. Since the result of 484 adults that have sleepwalked is significantly high, it is strong evidence supporting the assumed rate of 28.9%.
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 4ECP: Show that the probability of drawing a club at random from a standard deck of 52 playing cards is...
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Transcribed Image Text:Assume that 28.9% of people have sleepwalked. Assume that in a random sample of 1534 adults, 484 have sleepwalked.
a. Assuming that the rate of 28.9% is correct, find the probability that 484 or more of the 1534 adults have sleepwalked.
b. Is that result of 484 or more significantly high?
c. What does the result suggest about the rate of 28.9%?
....
a. Assuming that the rate of 28.9% is correct, the probability that 484 or more of the 1534 adults have sleepwalked is ?
(Round to four decimal places as needed.)
b. Is that result of 484 or more significantly high?
V because the probability of this event is
than the probability cutoff that corresponds to a significant event, which is
c. What does the result suggest about the rate of 28.9%?
O A.
Since the result of 484 adults that have sleepwalked is significantly high, it is not strong evidence against the assumed rate of 28.9%.
O B. Since the result of 484 adults that have sleepwalked is not significantly high, it is not strong evidence against the assumed rate of 28.9%.
Oc. The results do not indicate anything about the scientist's assumption.
OD.
Since the result of 484 adults that have sleepwalked is not significantly high, it is strong evidence against the assumed rate of 28.9%.
OE.
Since the result of 484 adults that have sleepwalked is significantly high, it is strong evidence against the assumed rate of 28.9%.
OF. Since the result of 484 adults that have sleepwalked is significantly high, it is strong evidence supporting the assumed rate of 28.9%.
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