Answered: In the movie Forrest Gump, the public…

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.5: Comparing Sets Of Data

Problem 2GP

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In the movie Forrest Gump, the public school required an IQ of at least (greater than) 80 for admittance. If IQ test scores are normally distributed with mean 100 and standard deviation 16, what percentage of people would qualify for admittance to the school? A) If the IQ test scores are normally distributed with mean 100 and standard deviation 6, what percentage of people would qualify for admittance to the school? b) If the public school wishes 95 percent of all children to qualify for admittance, what minimum IQ test score should be required for admittance?

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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