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In 2013, Gallup Surveyed a Nationally Representative Sample of 2027

Question 4

Multiple Choice

In 2013, Gallup surveyed a nationally representative sample of 2027 adults about their soda consumption. The survey showed that 24% mostly drank diet soda. This survey also found that 56% drank mostly either regular or diet soda. Is this evidence that the majority of American adults drink mostly either regular or diet soda? To answer this question, you test the following hypotheses:
H0: p = 0.50, Ha: p > 0.50
What is the z test statistic for this test?


A) 5.40
B) 3.30
C) 1.12
D) 0.56

Correct Answer:

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