Answer:
a) z = -1.645
b) z = 0.674
Step-by-step explanation:
We have to find the value of z of a standard normal variable Z that satisfies each of the following conditions.
a) 5% of the observations fall below z
Calculation the value from standard normal z table, we have,

b) 25% of the observations fall above z

Calculation the value from standard normal z table, we have,

Answer: $6, 720
Step-by-step explanation:
Formular for simple interest =P×R×T
where;
P= 6000
R= 3% = 0.03
T= 4 years
$6000 × 0.03 × 4
= $720
The total amount to be paid back at the end of time will be
$6,000 + $720
=$6, 720
I hope this helps
The sum of the polynomials is -4x^2 -11x-5.
Just use the word bank to fill in the blanks. Each letter they give you in the picture is the beginning of the words. So the first one to the left is a C______ and f_____ that would be Cold front. Do the same for the others.
Step-by-step explanation:

<h2>METHOD 1.</h2>

<h2>METHOD 2.</h2>

<h2>METHOD 3.</h2>

<h2>METHOD 4.</h2>
