Answer:
x= -2 y= -1
Step-by-step explanation:
It would be 12 because it is just the size of a ruler if you use a online ruler
The reason that 9.6 is rational is because it can be turned into a fraction.
The fraction is 48/5.
Rational numbers are numbers that can be turned into a fraction, while irrational numbers a those who cannot be turned into a fraction.
Answer:
6
Step-by-step explanation:
I'm pretty sure it's 6, sorry if it isn't
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).