Answer:
n = -5
Step-by-step explanation:
Answer:
Tyrannosaurus de la reconquista de la reconquista
Answer: A. (636.9, 653.1)
Step-by-step explanation:
Given : Sample size : n=56
Significance level :
Critical value :
Sample mean :
Standard deviation :
The 95% confidence interval for population mean is given by :-
Hence, 95% confidence interval for population mean is (636.9, 653.1).
Answer:
(a+b)(a-b)
Step-by-step explanation:
Answer:
There is no graph
Step-by-step explanation:
One has to solve this using either substitution or elimination then...
x + y = 5
–2x + y = –4
x + y = 5
2x –y = 4
3x = 9
x = 3
y = 2
Solution (3 , 2)