Hypotheses for 1-Sample Z

For a 1-sample Z-test, the hypotheses are as follows.
Null hypothesis
H0: μ = µ0 The population mean (μ) equals the hypothesized mean (µ0).
Alternative hypothesis
Select one of the following alternative hypotheses.
H1: μ ≠ µ0 The population mean (μ) differs from the hypothesized mean (µ0).
H1: μ > µ0 The population mean (μ) is greater than the hypothesized mean (µ0).
H1: μ < µ0 The population mean (μ) is less than the hypothesized mean (µ0).
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