The following sample was taken:
1, 9, 11, 3, 12, 15, 16, 8, 7, 8, 12, 3, 2, 6, 6, 7, 8, 10, 9, 5,
6, 7, 8, 6, 8, 7
a. Calculate the average
b. Estimate the variance
c. Build a 95% confidence interval for the standard
deviation.
Please, give your answer by hand. Thanks in
advance.
Question
For Matrix A = 4 12 3, if g (X) =
X2 +4X +2, what is the answer to g(A)?
Using algebra, find the solution to the system of inequalities
below
y ≤ 5-3x
y + 19 ≥ x2
-8x
What is peculiar about the slope of a function before and after
a point of inflection as compared with the slope before or after a
maximum or minimum point?
Suppose that the satisfaction received from a...
Question 12
A student takes an 8-question, true-false exam and guesses on
each question. Find the probability of passing if the lowest
passing grade is 6 correct out of 8.
a.
0.109
b.
0.227
c.
0.144
d.
0.164
Question 13
R.H. Bruskin Associates Market Research found that 30% of
Americans do not think having a college education is important to
succeed in the business world. If a random sample of 5 Americans is
selected, find this probability: At most...
(a) Find a 3×3 matrix A such that 0 is the only eigenvalue of A,
and the space of eigenvectors of 0 has dimension 1. (Hint: upper
triangular matrices are your friend!)
(b) Find the general solution to x' = Ax.
PLEASE SHOW YOUR WORK CLEARLY.