Answer:
-0.545454545454 repeating. there shouldnt be any steps its simple calculation.
Step-by-step explanation:
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 = 
You definitely know how to find the area of a rectangle ... length times width. Right ?
Well, write down the area of each rectangle, and then add up the 4 areas (using + signs).
Hint: Each little rectangle on the right has an area of x-squared, so the sum of just those two is 2x-squared.
Answer:
7 3/4
Step-by-step explanation: