How Many Ways Can We Choose Three Items at Random

question 90

Multiple Choice

How many ways can we choose three items at random without replacement from five items (A, B, C, D, E) if the order of the selected items is not important?

• A)60
• B)120
• C)10
• D)24

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Definitions:

Problem Experienced

A situation or occurrence where difficulty or distress is encountered.

Written Assessment

A form of evaluation that involves responses or answers being provided in written form to measure understanding, skills, or competencies.

Randomized Clinical Trial

A scientific study in which participants are randomly assigned to one of the treatment or control groups to assess the efficacy of a medical intervention.

Before-after Study

A study design in which the same group of subjects is measured before and after a specific intervention or event, to assess its effects.