Answer:
equation of the line having slope 1/4
that passes through (8,3) is given by
y - 3 = 1/4 ( x - 8)
or, 4y - 12 = x -8
or, 4y -12 - x + 8 = 0
or, 4y - x - 4 = 0 , which is the required equation.
Answer:
AC
Step-by-step explanation:
Answer: (24.02,25.98)
Step-by-step explanation:
Answer:
Step-by-step explanation:
Given : Sample size : n= 100
Sample mean : 
Standard deviation : 
Significance level : 
Critical value : 
The confidence interval for population mean is given by :-

Hence, the 95% confidence interval for the population mean of training times is (24.02, 25.98).
I think is 3 because if the concentration every hour the tea doubles then it take