I’m pretty sure the answer is 30!
Answer: (1.55, 6.45)
Step-by-step explanation:
The confidence interval for population mean is given by :-

Given : Significance level : 
Critical value : 
Sample size : n=41
Sample mean : 
Standard deviation : 
Then, 99% confidence interval for population mean will be :_

Answer:
2 over x plus 10x to the second power
Step-by-step explanation:
Hwre is your answer ^^
-6<y<-12