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16. The Wechsler Adult Intelligence Scale results in a normal distribution with a mean of 100 and a standard deviation of 10. If someone tests at the 90th percentile, what score did that individual have? Explain. 17. There is a rough linear relationship between the number of assists and the number of steals by professional basket players. A least squares fit results in the model § = 0.28x + 0.12, x > 1, where x is the number of assists and § is the estimated number of steals. What is the estimated increase in steals that corresponds to an increase of four assists? Explain. 18. The income of brokers in Tampa is normally distributed. A sample of 14 of them has an average yearly income of 86000 dollars with standard deviation of 12000 dollars. Find a 98% Cl for the yearly mean income. 19. Green sea turtles have normally distributed weights, measured in kilograms, with a mean of 134.5 and a variance of 49.0. A particular green sea turtle’s weight has a z-score of -2.4. What is the weight of this green sea turtle?