Homework Section 5.3 () Find the z-score that corresponds to the given area under the standard normal curve. 2) Find the z-score that corresponds to the given area under the standard normal curve. 0.9564 3) Use a standard normal table to find the z-score that corresponds to the 80% to the left. 4) IQ test scores are normally distributed with a mean of 100 and a standard deviation of 15. Find the x-score that corresponds to a z-score of 2.33. 5) Assume that the salaries of elementary school teachers in the United States are normally distributed with a mean of $37,000 and a standard deviation of $5000. What is the cutoff salary for teachers in the bottom 10%