Suppose a Random Sample of Size 64 Is Selected from a Population

question 69

Multiple Choice

Suppose a random sample of size 64 is selected from a population yielding a sample mean of 26.The population standard deviation is 4.From this information, the 90% confidence interval to estimate the population mean can be computed to be ___.

• A)25.36 to 26.64
• B)25.92 to 26.08
• C)25.18 to 26.82
• D)25.90 to 26.10
• E)26.00 to 27.80

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Definitions:

Pathogen

Disease-causing agent such as viruses, parasitic bacteria, fungi, and animals.

Disease-causing Agents

Pathogens or microorganisms such as bacteria, viruses, fungi, or parasites that can cause disease in their host.

Bacteria

Microscopic, single-celled organisms that inhabit virtually all environments on Earth, including soil, water, organic matter, and the bodies of plants and animals.

Lymphatic Vessels

Thin-walled vessels structured like blood veins, responsible for transporting lymph and immune cells throughout the body.