Answer:
D: its 18
Step-by-step explanation:
I yeeted it into a calculator
Given the population mean is
and population standard deviation is
.
Now sample mean is
and standard deviation of the sample mean is
.
Use Z-score for finding the probabilities. Use a standard normal distribution table.
a)The probability

b)The probability

c)The probability

you line them up and start to multiply
Hello!
A pair of angles whose sum is 90° are called Complementary Angles. The answer is Complementary because Complementary Angles are angles that make a sum of 90°. Supplementary Angle are angles whose sum is 180° and Adjacent Angles are angles that have a common side or common vertex.
I hope this helps!