Answered: recent year, the total scores on the…

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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In a recent year, the total scores on the MCAT were normally distributed with a mean of 500 and a standard deviation of 10.6. Find the probability that a randomly selected medical student who took the MCAT has a total score that is (for each problem, answer in a complete sentence and include your StatCrunch graph):

less than 489.

between 495 and 507.

more than 522.

From your results in #1-3, identify any unusual events and explain why you think they are unusual.

Features Features Normal distribution is characterized by two parameters, mean (µ) and standard deviation (σ). When graphed, the mean represents the center of the bell curve and the graph is perfectly symmetric about the center. The mean, median, and mode are all equal for a normal distribution. The standard deviation measures the data's spread from the center. The higher the standard deviation, the more the data is spread out and the flatter the bell curve looks. Variance is another commonly used measure of the spread of the distribution and is equal to the square of the standard deviation.

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