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3. In a survey of 53 randomly selected patrons of a shopping mall, the mean amount of currency carried is $42, with a standard deviation

3. In a survey of 53 randomly selected patrons of a shopping mall, the mean amount of currency carried is $42, with a standard deviation of $78. What is the 95% confidence interval for the mean amount of currency carried by mall patrons?

1.($39.1; $44.9]

2.[$24.4; $59.6]

3.[$21.0; $63.0]

4.[$14.4; $69.6]

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