A Confidence Interval Was Used to Estimate the Proportion of Statistics

question 89

Multiple Choice

A confidence interval was used to estimate the proportion of statistics students who are female. A random sample of 72 statistics students generated the following confidence interval: (.438, .642) . Using the information above, what sample size would be necessary if we wanted to estimate the true proportion to within 1% using 95% reliability?

• A) 9543
• B) 9604
• C) 9989
• D) 9220

---

Definitions:

Prothrombin Activator

A complex of enzymes that converts prothrombin into thrombin, a key step in the blood clotting process.

Platelets

Platelets, also known as thrombocytes, are small blood components essential for blood clotting, helping prevent bleeding.

Neutrophils

Neutrophils are a type of white blood cell that forms an essential part of the immune system, primarily involved in combating bacteria and infections.

Agranular Leukocytes

White blood cells without granules in their cytoplasm, which include lymphocytes and monocytes, playing roles in adaptive and innate immunity.