conduct a two-variable hypothesis test and construct a confidence interval, based on the given information. (a) Apply the standard six-step procedure to: Test whether p₁

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conduct a two-variable hypothesis test and construct a confidence interval,
based on the given information.
(a) Apply the standard six-step procedure to: Test whether p₁ <p2. Sample data: x₁ = 109, n₁ =
475; x2=78, n2=325, at the α = 0.05 level of significance.
(b) Using the data given in part (a), construct a confidence interval for pi-p2 at the 99% level of
confidence.
Transcribed Image Text:conduct a two-variable hypothesis test and construct a confidence interval, based on the given information. (a) Apply the standard six-step procedure to: Test whether p₁ <p2. Sample data: x₁ = 109, n₁ = 475; x2=78, n2=325, at the α = 0.05 level of significance. (b) Using the data given in part (a), construct a confidence interval for pi-p2 at the 99% level of confidence.
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