Answer: 
Step-by-step explanation:
Given : Sample size : n=69
Sample mean : 
Standard deviation : 
Significance level : 
Then , Critical value : 
The formula to confidence interval is given by : -

Hence, the 95% confidence interval for the number of chocolate chips per cookie for big chip cookies= 
Answer: you mean, It takes 154 cubes with side lengths of 1/2 inch to fill a rectangular prism. What is the volume of the rectangular prism? Show your work or justify your
solution?
Answer: The volume of the rectangular prism is 19.25 inches³.
Step-by-step explanation: Hope this help :D