You Toss a Thumbtack 100 Times and Observe That It

Multiple Choice

You toss a thumbtack 100 times and observe that it lands point down 65 times. The proportion of times it landed point down is then 0.65. This proportion represents:

A) the sample proportion of tosses that landed point down in your 100 tosses.
B) the correlation between the number of tosses and the number of times it landed point down.
C) the variance of the number of point-down tosses.
D) the probability that the thumbtack lands point down.