Answered: Autopsies conducted on Egyptian mummies…

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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Question

Autopsies conducted on Egyptian mummies show that they died from the same disease westerners dies from today. These include obesity, diabetes, cancer, high cholesterol arthritis and stress. These are all known to be lifestyle diseases- lack of exercise, animal product consumption, processed foods alcohol and sugar, consumption and inadequate rest. The lifespan of such westerner aided by modern machine is normally distributed with a mean of 75 years and a standard deviation of 12 years. What is the probability that a randomly selected person from this group lives for more than 70 years?

Select one:

0.1628

0.8372

0.3372

0.6628

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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