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A hypothesis test is to be performed for a population proportion. For the given sample data and null hypothesis, compute the value of the test statistic:
3. A political candidate claims that 70% of all voters support medical marijuana. 500 voters were asked if they support medical marijuana. Three hundred twenty-seven said yes. H0: p = 0.70.
A. -2.24
B. -1.96
C. -2.16
D. -1.75
E. None of these