or each of the following​ situations, find the critical​value(s) for z or t.
​a)
H0​:
rhoÏequals=0.50.5
vs.
HA​:
rhoÏnot equals≠0.50.5
at
alphaαequals=0.010.01
​b)
H0​:
rhoÏequals=0.40.4
vs.
HA​:
rhoÏgreater than>0.40.4
at
alphaαequals=0.100.10
​c)
H0​:
muμequals=1010
vs.
HA​:
muμnot equals≠1010
at
alphaαequals=0.100.10​;
nequals=2626
​d)
H0​:
rhoÏequals=0.50.5
vs.
HA​:
rhoÏgreater than>0.50.5
at
alphaαequals=0.010.01​;
nequals=335335
​e)
H0​:
muμequals=2020
vs.
HA​:
muμless than<2020
at
alphaαequals=0.100.10​;
nequals=10001000
​a) The critical​ value(s) is(are)
â–¼
z*
t*
equals=nothing.
​(Use a comma to separate answers as needed. Round to twodecimal places as​ needed.)