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A survey of 150 randomly selected students at Green River College showed that only 105
checked their campus e-mail account on a regular basis. a) (14 points) Construct a 95%
confidence interval for the percentage of students at Green River College who do not check their
e-mail account on a regular basis. Round answers to 3 decimal places where possible.
Confidence Interval: b) (1 point) Interpret the confidence interval for the average number of
calories in all fast-food combo meals. Make sure to use the context of the situation.

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