This test: 100 point(s) E Test: Week 3 Test (6.1-6.6, 7.1- Question 20 of 20 possible 7.3) This question: 5 Submit test point(s) possible Assume that adults have IQ scores that are normally distributed with a mean of 101.8 and a standard deviation 21.2. Find the first quartile Q, which is the IQ score separating the bottom 25% from the top 75%. (Hint: Draw a graph.) The first quartile is (Type an integer or decimal rounded to one decimal place as needed.) K