Assume That a Set of Test Scores in an Introduction

question 140

Multiple Choice

Assume that a set of test scores in an Introduction to Finance class is normally distributed with a mean of 72 and a standard deviation of 8.Use the 68-95-99.7 rule to find the percentage of scores less than 56.

• A)0.15%
• B)0.3%
• C)2.5%
• D)5%
• E)95%

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Definitions:

Closed Circulatory System

A cardiovascular system in which the blood is contained within blood vessels and circulates entirely within the body, separate from the body’s interstitial fluid.

Fluid-Filled Coelom

A body cavity entirely lined by tissue derived from mesoderm, filled with fluid that allows internal organs to move freely.

Segmented Body

A body divided into repeated sections or segments, characteristic of certain animals like worms and arthropods.

Mesoderm

The middle layer of an embryo in early development, which gives rise to muscles, bones, and the circulatory system among other structures.