content area top Part 1 Assume that adults have IQ scores that are normally distributed with a mean of 95.9 and a standard deviation 22.3. Find the first quartile Upper Q 1, which is the IQ score separating the bottom 25% from the top 75%. (Hint: Draw a graph.) Question content area bottom Part 1 The first quartile is enter your response here. (Type an integer or decimal rounded to one decimal place as needed.)