Question 3: For the below, determine whether the following would represent a discrete random variable or a continuous random variable? a.) Flipping a coin 3 times and recording the # of heads. b.) The weight of a randomly selected individual (in lbs). c.) The inches of rain it rains in a given day in a certain city. d.) The # of successful basketball shots in three throws. Question 4'. Let's say lQ's are normally distributed with population mean , U: 100, and population standard deviation of 15. We can also say X "' N(100, 15). Find, a.) The IQ in the top 80%. (Hint: Look at the solutions to the participation problems for week 02/28/2022 for a similar problem) b.) The IQ in the lowest 20%. (Hint: Look at the solutions to the participation problems for week 02/28/2022 for a similar problem)