Find the critical value needed to test the null hypothesis that $\sigma=40$ against the alternative hypothesis that $\sigma$ 40 at $\alpha=0.01$ using a sample of size $n=80$.

Question

Find the critical value needed to test the null hypothesis that $\sigma=40$ against the alternative hypothesis that $\sigma>$ 40 at $\alpha=0.01$ using a sample of size $n=80$.

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The Answer of Find the critical value needed to test the null hypothesis that $\sigma=40$ against the alternative hypothesis that $\sigma>$ 40 at $\alpha=0.01$ using a sample of size $n=80$.

Find the Critical Value Needed to Test the Null Hypothesis σ=40\sigma=40σ=40

Find the Critical Value Needed to Test the Null Hypothesis $\sigma=40$