- CFA Exams
- CFA Level I Exam
- Study Session 3. Quantitative Methods (2)
- Reading 11. Hypothesis Testing
- Subject 2. Null Hypothesis and Alternative Hypothesis

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**CFA Practice Question**

The supporters of Judge Hyde want to prove that she has the support of more than 60% of the voters in the district. To accomplish this, they take a random sample of 80 voters and find that 53 support Judge Hyde. For a hypothesis test at the 5% level of significance, the null hypothesis, H

_{0}, would be ______.A. H

_{0}: p >= 0.6625B. H

_{0}: p >= 0.60C. H

_{0}: p <= 0.60**Explanation:**Because the group wants to prove that more than 60% of voters support Judge Hyde, H

_{a}is H

_{a}: p > 0.6. Thus, the null hypothesis is H

_{0}: p <= 0.60.

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