In a survey of 200 adult women in a certain city, the mean number of children they
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In a survey of 200 adult women in a certain city, the mean number of children they had was 2.3 with a standard deviation of 1.2. A sociologist states that the mean number of children per woman in this city is between 2.13 and 2.47. With what level of confidence can this claim be made?
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