Answer:
Step-by-step explanation:
Given that a part of a study of the treatment of anemia in cattle, researchers measured the concentration of selenium in the blood of 36 cows who had been given a dietary supplement of selenium (2 mg/day) for one year.
If x is the selenium concentration then
X has mean= 6.21 mg/dl
and std dev = 1.84
Sample size n = 36
std error of sample = 
Margin of error for 95%
Confidence interval = 
Answer:
z^3+9x^2−2z^2−5z
Step-by-step explanation:
hope this helps!
Answer:
23
Step-by-step explanation:
Answer:
The answer is A - $0.50 per cup
Step-by-step explanation:
If you divide the $4 by the 8 cups you get $0.50
Answer:
2 weeks
Step-by-step explanation:
y = mx + b
y = total number of chapters read = 
m = number of chapters read per week = 
x = number of weeks = what we're solving for
b is not needed to find this solution
= x divide from both sides
x = 2 weeks
