There are 318 teachers at a college. Among a sample of 115 teachers from this college, 67 have doctorates. Based on this sample, estimate the population proportion of teachers at this college with doctorates.

A) 0.42

B) 185

C) 0.61

D) 0.58

The standard score for a two-tailed test is 2.0. What is the P-value?

A) 0.9772

B) 0.0456

C) 0.0228

D) 97.72

The _______ hypothesis states that the variables are independent (there's no relationship between them) and the _______ hypothesis states that there's a relationship between the two variables.

A) population; sample

B) alternative; null

C) sample; population

D) null; alternative