Having the gene for Alzheimer's disease predicts who will eventually develop it.

In a state where the age of sexual consent is 17, which of the following would be the BEST example of statutory rape?

a. A 19-year-old boy has intercourse with his 16-year-old girlfriend. b. A 20-year-old boy forces a 17-year-old girl to have intercourse with him. c. An 18-year-old girl is raped by a stranger and becomes pregnant as a result. d. A 22-year-old man has intercourse with a 17-year-old girl.

The grades in two sections of a statistics class are normally distributed. One distribution has ?1 = 60 and ?1 = 10, and the other has ?2 = 60 and ?2 = 20. Imagine that a student in Class 1 has a grade of 45. What would her grade be in Class 2 if her score were the same number of standard deviations from the mean?

a. 30.00 b. 45.00 c. 60.00 d. 80.00