Each of the Following Presents a Two-Sided Confidence Interval and the Alternative

Multiple Choice

Each of the following presents a two-sided confidence interval and the alternative hypothesis of a corresponding hypothesis test. In which case can we not use the given confidence interval to make a decision at a significance level $\alpha$ = .05?

A) 95% confidence interval for p₁ - p₂ is (-0.15 to 0.07) , H_a: p₁ - p₂ $\neq$ 0.
B) 95% confidence interval for p is (.12 to .28) , H_a: p > 0.10.
C) 90% confidence interval for $\mu$ is (101 to 105) , H_a: $\mu$ $\neq$ 100.
D) 90% confidence interval for $\mu$ ₁ - $\mu$ ₂ is (3 to 15) , H_a: $\mu$ ₁- $\mu$ ₂> 0.