QUESTION 3
Assume the random variable X is normally distributed with a mean u = 50 and standard deviation O = 4.5.
For an X-value of 40, the Z-score is
(two-decimal accuracy)
For a Z-score of 1.8, X=

1. are the triangles similar and if so why? what is the value of x? show your work.

Sample response: if the graph passes the horizontaline test, then the function is one to one. functions that are one to one have inverses that a therefore, the inverse is a hinction compare your response to the sample response above. what did you include in your explanation? a reference to the horizontal-line test d a statement that the function is one-to-one the conclusion that the inverse is a function done

What is the measure of one interior angle of a pentagon