A Polling Organization Conducts a Poll by Making a Random

question 13

Multiple Choice

A polling organization conducts a poll by making a random survey of 1250 people. Estimate the margin of error at a confidence interval of 95%.

• A)1.25%
• B)2.50%
• C)2.83%
• D)2.95%

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Definitions:

Hemocytometer

A device used in laboratories to count cells, particularly red and white blood cells, in a blood sample.

Blood Cells

Cells that circulate in the blood, including red blood cells (for carrying oxygen), white blood cells (for fighting infections), and platelets (for blood clotting).

Calibrated

Adjusted or marked a device, tool, or system so its measurements agree with a standard or known measure.

Quality Assurance Program

A required program for clinical laboratories designed to monitor the quality of patient care, including quality control, instrument and equipment maintenance, proficiency testing, training and continuing education, and standard operating procedures documentation.