Hypothesis test to see if more than half the population prefer Coke to Pepsi

Method

p: event proportion

Normal approximation method is used for this analysis

Descriptive Statistics

95% Lower Bound

N Event Sample p for p

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275 150 0.545455 0.496066

Test Null hypothesis Ho: p = 0.5

Alternative hypothesis H1:p****

Z-Value P-value

-------------------

1.51 0.066

1) What output is correct?

a. Ha: p > 0.545

b. Ha: p > 0.5

c. Ha: p > 0.5

d. Ha: p = 0.545

B) Define the parameter p, in the context of the problem

C) State your conclusion in the context of the problem