A study revealed that 45 of college freshmen are male and that 18 of male freshmen earned college credits while still in high school.
Find the probability that a randomly chosen college freshman will be male and have earned college credits while still in high school.
A) 0.400 B) 0.027 C) 0.081 D) 0.530
Question 2
At the U.S. Open Tennis Championship a statistician keeps track of every serve that a player hits during the tournament. The lower quartile of a particular player's serve speeds was reported to be 88 mph.
Which of the following interpretations of this information is correct?
A) 75 of the player's serves were hit at speeds less than 88 mph.
B) 88 serves traveled faster than the lower quartile.
C) 25 of the player's serves were hit at 88 mph.
D) 75 of the player's serves were hit at speeds greater than 88 mph.
Young male Pacific Walruses on Cape Pierce in Alaska. Note the variation in the curvature and orient
Male common pochard, London, UK
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Manhattan plots resulting from a genome-wide association study of seven common human disease