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?a) If the confidence interval for the difference in population proportions p1? - p2 includes? 0,...

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Basic Math

?a) If the confidence interval for the difference in populationproportions p1? - p2 includes? 0, what does this? imply? ?

b) If all the values of a confidence interval for two populationproportions? are? positive, then what does? this? imply? ?

c) If all the values of a confidence interval for two populationproportions? are? negative, then what does? this? imply?

d) Explain the difference between sampling with replacement andsampling without replacement. Suppose you had the names of 10?students, each written on a 3 by 5? notecard, and want to selecttwo names. Describe both procedures.

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Part a If the confidence interval for the difference in population proportions p1 p2 includes 0 this is implies that there is no statistically significant difference in the two population proportions b If all the values of a confidence interval for two population proportions are positive then this is implies that there is a statistically significant positive difference    See Answer
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