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1. Can we use the large-sample con?dence interval? In each of the following circumstances state whether you would use the large-sample con?dence interval.
(a) n = 50, X = 30.
(b) n = 90, X = 15.
(c) n = 10, X = 2.
(d) n = 60, X = 50.
(e) n = 25, X = 15.
2. More on whether to use the large-sample con?dence interval. In each of the following circumstances state whether you would use the large-sample con?dence interval.
(a) n = 8, X = 4.
(b) n = 500, X = 13. (c) n = 40, X = 18.
(d) n = 15, X = 15.
(e) n = 50, X = 22.
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