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When the Necessary Conditions Are Met in Testing H0:p1p2=0 versus H0:p1p20H _ { 0 } : p _ { 1 } - p _ { 2 } = 0 \text { versus } H _ {0} : p _ { 1 } - p _ { 2 } \neq 0

question 63

Multiple Choice

When the necessary conditions are met in testing H0:p1p2=0 versus H0:p1p20H _ { 0 } : p _ { 1 } - p _ { 2 } = 0 \text { versus } H _ {0} : p _ { 1 } - p _ { 2 } \neq 0 the two sample proportions are p^1=.40 and p^2=.30, and V(p^1p^2) =.0016 when Ho\hat { p } _ { 1 } = .40 \text { and } \hat { p } _ { 2 } = .30 \text {, and } V \left( \hat { p } _ { 1 } - \hat { p } _ { 2 } \right) = .0016 \text { when } H _ { o } is true. Then, the value of the test statistic is


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