What are practical concerns with given confidence interval

Reference no: EM131400523

1. The .95 confidence interval for the difference between the means, using Student's t, is (2.2, 20.5). What are the practical concerns with this confidence interval?

2. For the first of two binomial distributions, there are 15 successes among 24 observations. For the second, there are 23 successes among 42 observations. Test H0: p1 = p2 with a Type I error probability of .05.

Reference no: EM131400523

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