Consider the following hypotheses test. H_o: $\mu$$\ge$ 80 H_a: $\mu$

Question

Consider the following hypotheses test.
H_o:

\mu

\ge

80
H_a:

\mu

< 80
A sample of 121 provided a sample mean of 77.3. The population standard deviation is known to be 16.5.
a.Compute the value of the test statistic.
b.Determine the p-value; and at 93.7% confidence, test the above hypotheses.
c.Using the critical value approach at 93.7% confidence, test the hypotheses.

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The Answer of Consider the following hypotheses test. H_o: $\mu$$\ge$ 80 H_a: $\mu$ < 80 A sample of 121 provided a sample mean of 77.3. The population standard deviation is known to be 16.5. a.Compute the value of the test statistic. b.Determine the p-value; and at 93.7% confidence, test the above hypotheses. c.Using the critical value approach at 93.7% confidence, test the hypotheses.

Consider the Following Hypotheses Test μ\muμ ≥\ge≥ 80 Ha μ\muμ < 80 a Sample of 121 Provided a Sample Mean

Consider the Following Hypotheses Test $\mu$ $\ge$ 80
H_a $\mu$ < 80
a Sample of 121 Provided a Sample Mean