Answer:
What is it?
Step-by-step explanation:
X/15=4/16 def of similar triangle by AAA
x = 60/16=5/2
-5 is for f(x)=x+5
4 is for g(x)=x-4
Hope this helps!!
Answer: 
Step-by-step explanation:
Given : Sample size : 
Sample mean : 
Standard deviation : 
Significance level : 
Critical value : 
Formula to find the confidence interval for population mean :-

Hence, a 95% confidence interval for the population mean = 