4.2.3

ACTIVITY 4.2.3: Finding a z-sobre given a probability. The GRC (Graduate Record Exam) scores for both verbal and quantitative reasoning are approximately normally distributed and scaled to have mean 150 with standard deviation of 5.75 1) Below what score do 40%% of all scores fall? Type as # 8## Check Show answer 2) Above what score do 20% of all scores fall? Type as: #.#89 Check Show answer Feedback? Example 4.2.2: Earnings surprise