Which of the following statements about a discrete random variable and its probability distribution are true? Question 22 options: Values of the random variable can never be negative. Negative values of f(x) are allowed as long as ∑f(x) = 1. Values of f(x) must be greater than or equal to zero. The values of f(x) increase to a maximum point and then decrease.

What is the value of the expression 9+n/3-6 when n = 12? 1. 5. 7. 12.

In the diagram of circle o, what is the measure of zabc?

You are a male who just graduated from college with a bachelor's degree. you have a job paying $50,780.00/yr. a. how does your salary compare to the yearly median earnings for a male with a bachelor's degree? b. what is the difference between the yearly median earnings for a male with a bachelor's degree compared to a male who does not attend college after earning a high school diploma?