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A recent survey of 35,101 randomly selected U.S. adults studied the religious affiliation of Americans. The survey interviewed 245 people in Maine. Suppose that this is a simple random sample of adult residents of Maine. Of these 245 people, 56 said they attend religious services at least once a week. A 95% confidence interval for the proportion of all residents of Maine who attend religious services at least once a week is closest to
A) 0.202 to 0.256.
B) 0.175 to 0.282.
C) 0.215 to 0.242.
D) 0.228 to 0.230.
each person received was determined by randomization. For each person who was sent one of the surveys, the researcher recorded whether or not a completed survey was returned.
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