For each of the following situations find the critical value s
For each of the following situations, find the critical value(s) for z or t.
a) H0: p = 0.5 vs. HA: p ≠ 0.5 at α = 0.05.
b) H0: p = 0.4 vs. HA: p > 0.4 at α = 0.05.
c) H0: μ = 10 vs. HA: μ ≠ 10 at α = 0.05; n = 36.
d) H0: p = 0.5 vs. HA: p > 0.5 at α = 0.01; n = 345.
e) H0: μ = 20 vs. HA: μ < 20 at α = 0.01; n = 1000.
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