Question

For each of the following​ situations, find the critical​ value(s) for z or t. ​

a) H0​: p equals 0.1 vs. HA​: p not equals 0.1 at alpha equals 0.05 ​

b) H0​: p equals 0.7 vs. HA​: p greater than 0.7 at alpha equals 0.10 ​

c) H0​: mu equals 40 vs. HA​: mu not equals 40 at alpha equals 0.10​; n equals 34

​d) H0​: p equals 0.1 vs. HA​: p greater than 0.1 at alpha equals 0.05​; n equals 340 ​

e) H0​: mu equals 80 vs. HA​: mu less than 80 at alpha equals 0.10​; n equals 1000

Answer 1

a)

b)

c)

d)

e) Z-score is -1.282

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