Two hundred pre-engineering students have their midterm grades in the statistics, assumingnormally distributed, a mean of 2.2 and a standard deviation of 0.6. How many of these studentshave their grades between 2.0 and 2.5 inclusive?A. 79B. 84C. 81D. 78E 76

Given data: μ=2.2σ=0.6Normal distributionN=200n(2<x<2.5)=?

Answered: Two hundred pre-engineering students…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Two hundred pre-engineering students have their midterm grades in the statistics, assuming normally distributed, a mean of 2.2 and a standard deviation of 0.6. How many of these studer have their grades between 2.0 and 2.5 inclusive? А. 79 В. 84 C. 81 D. 78 E. 76