The Mental Development Index (MDI) is a measure used in observing infants over time.Suppose MDI scores are approximately normally distributed with a mean of 105 and astandard deviation of 15. Which of the following is a true statement?Approximately 95% of all MDI scores are between 90 and 120.An infant with a MDI score of 135 would be farther away from the mean than an infantwith a standardized MDI score of -2.25scoreAn infant with a MDI score of 125 would be at a higher percentile than an infant with az-score of 2An infant with a MDI score of 120 would be at the 84th percentile.Approximately 84% of all MDI scores are less than 90

Suppose the random variable x defines the MDI.

Answered: The Mental Development Index (MDI) is a…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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