Conclusion Of A Z-Test For A Proportion
A political analyst is conducting a hypothesis test to determine if the proportion of voters, p, who support a certain candidate is different from 0.50. The analyst calculates a test statistic of z = 2.7. At a significance level of α = 0.05, what is the correct conclusion?
A
Reject H₀; evidence suggests p ≠ 0.5
B
Reject H₀; evidence suggests p < 0.5 only
C
Reject H₀; evidence suggests p > 0.5 only
D
Fail to reject H₀; insufficient evidence that p ≠ 0.5
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