Fill in The Blanks

10. If X is a continuous random variable, then P(X = a)=_________ for any number a.

11. The area under the entire probability density curve is equal to ___________

13. A normal distribution with mean 0 and standard deviation 1 is called the _______________ normal distribution.

14. Points on the horizontal axis to the left of the mode have_______________ z-scores.

If the statement is false, re- state it as a true statement.

16. A normal curve is symmetric around its mode.

20. The following gure is a probability density curve that represents the grade point averages (GPA) of the graduating seniors at a large university. Area = 0.6? Am=024 2.0 2.5 3.0 3.5 4.0 I. Find the proportion of seniors whose GPA is between 3.0 and 3.5. b. What is the wobability that a randomly chosen senior will have a GPA greater [ham 3.5?