In a z-test with known sigma, H0: mu = 50, Ha: mu ≠ 50, n = 64, x̄ = 52, sigma = 6. What is the z-statistic?

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Multiple Choice

In a z-test with known sigma, H0: mu = 50, Ha: mu ≠ 50, n = 64, x̄ = 52, sigma = 6. What is the z-statistic?

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