Local Restaurant
a Local Restaurant Claimed in an Advertisement That $\alpha$

Short Answer

Local Restaurant
A local restaurant claimed in an advertisement that at least 80% of their customers rate their establishment as "Excellent".An independent survey company asked 200 customers their opinion and from this random sample,168 customers rated the establishment "Excellent".Use $\alpha$ = 0.05.
-H₀: $\mu \geq \mu _ { 0 }$ ,H₁: $\mu < \mu _ { 0 }$ ; n > 30 and $\alpha$ = 0.10.
State the appropriate decision rule.