Exam Guidelines
2 answers:
You might be interested in
{ y ≥ 2x + 1; y > -2x - 3 } Unbound
Check out the Uploads!!!
Hope that helps!!!! : )
<span class="sg-text sg-text--link sg-text--bold sg-text--link-disabled sg-text--blue-dark">
pdf
</span>
Answer: (a)
(b) Restaurant B has a significantly lower percentage of orders that are not accurate.
Step-by-step explanation:
Confidence interval for population proportion is given by :-
Given: Significance level :
Critical value :
For Restaurant A , The proportion of orders not accurate :
Then , the Confidence interval for population proportion will be :-
Also, 95% confidence interval for the percentage of orders that are not accurate at Restaurant B:
By comparing both the lower confidence limit and upper confidence limit of the interval for Restaurant B is lower than the lower confidence limit of t and the upper confidence limit of the interval for Restaurant A.
Therefore, Restaurant B has a significantly lower percentage of orders that are not accurate.