Tara was right terrence was close but he put the(.) in the wrong spot the correct answer is 243.984 but terrence put 2439.84
^ ^
l l
l l
A vertical parabola is: y = a(x-h)² + k
where (h,k) is the vertex and "a" is the vertical stretch/shrink.
A negative sign in front of the "a" represents a reflection over the x-axis.
y = a(x-0)² + 0
y = a(x)²
Answer: B (y = 3x²)
Answer:
21
Step-by-step explanation:
math
Answer:
I would say yes, reset the machine, because the sample mean of 124.9 ounces is out of the 95% confidence interval
Step-by-step explanation:
It depends on your alpha level of test.
Would you be fine if the 124.9 ounces is in a 95% confidence interval?
we know u = 125 ounces, σ = 0.30 ounces
sample mean E = 124.9 ounces n = 40
Our test statistic is Z = [(E - u) / σ ]* which follows a Standard Normal
so...
Check if P ( -1.96 < Z < 1.96) = 95% so
Z = [(E - u) / σ ]* = [ (124.9 - 125)/ 0.3 ] *
Z = (-0.1/0.3)* 6.3245 = -2.1 ... this is out of the 95% confidence interval
I would say yes, reset the machine, because the sample mean is out of the 95% confidence interval
The Answer is 1/2... Simplified