1.According to the information that comes with a certain prescription drug, when taking this drug, there is a 20% chance of experiencing nausea (N) and a 50% chance of experiencing decreased sexual drive (D). The information also states that there is a 15% chance of experiencing both side effects.

What is the probability of experiencing only nausea?

• a 0.05
• b 0.10
• c 0.2
• d 0.35
• enoneofthese
• 2.Only 40% of the students in a certain liberal arts college are males. If two students from this college are selected at random, what is the probability that they are both males?
• a 0
• b 0.16
• c 0.80
• d 0.64
• e none of these