Question

(a) Find the P - value for the test statistic z=2.64 for the following null and...

(a) Find the P - value for the test statistic z=2.64 for the following null and alternative hypotheses:
H0: The population mean is 13.
Ha: The population mean is less than 13.
The P - value is
(b) Find the P - value for the test statistic z=2.64 for the following null and alternative hypotheses:
H0: The population mean is 13.
Ha: The population mean is not equal to 13.
The P - value is

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