For each of the following​ situations, find the critical​ value(s) for z or t.   a) H0​: p=0.3 HA​: p≠0.3 at α=0.05   b) H0​: p=0.7 vs. HA​: p>0.7 at α=0.10   c) H0​: μ=30 vs. HA​: μ≠30 at α=0.10​; n=46   d) H0​: p=0.3 vs. HA​: p>0.3 at α=0.01​; n=330   e) H0​: μ=40 vs. HA​: μ<40 at α=0.10​; n=1000

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