Respuesta :
Answer:
A) Reject
B) [tex]-Z_0_._0_5=-1.64485363[/tex]
Step-by-step explanation:
From the question above
Significance level =5%=0.05
a)Generally the first dash is Reject to aid the alternative hypothesis without which the is no need to test
b)Generally we solve mathematically for a critical value
critical value [tex]= -Z_\alpha[/tex]
From normal table
[tex]-Z_0_._0_5=-1.64485363[/tex]