A Random Sample of Size 36 Is Taken from a Population

question 136

Multiple Choice

A random sample of size 36 is taken from a population with mean µ = 17 and standard deviation σ = 6. The probability that the sample mean is greater than 18 is ________.

• A) 0.1587
• B) 0.4325
• C) 0.5675
• D) 0.8413

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Definitions:

Benign Tumors

Non-cancerous growths in the body that are usually localized and do not spread to other parts, often not posing a serious health risk.

Malignant

A term often used to describe cancerous tumors that can invade and destroy nearby tissue and spread to other parts of the body.

Metastases

The spread of cancer cells from the original tumor site to other parts of the body, forming new tumors.

Uncontrollable Growth

Typically refers to the abnormal and unchecked cell proliferation seen in cancerous tumors and other diseases, leading to potential harm and dysfunction in the body.