You use distributive property. So (5 x 2)-(5 x x)= 10 - 5x.
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:
<h2><u><em>
True</em></u></h2>
Step-by-step explanation:
a = a (true)
2 = 2 (true)