The Business College Computing Center Wants to Determine the Proportion $n$

question 126

Multiple Choice

The business college computing center wants to determine the proportion of business students who have laptop computers. If the proportion exceeds 35%, then the lab will scale back a proposed enlargement of its facilities. Suppose 300 business students were randomly sampled and 75 have laptops. What assumptions are necessary for this test to be satisfied?

• A) The sample size \(n\) satisfies both \(n p _ { 0 } \geq 15\) and \(n q _ { 0 } \geq 15\).
• B) The sample size \(n\) satisfies \(n \geq 30\).
• C) The population has an approximately normal distribution.
• D) The sample proportion is close to \(.5\).

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Definitions:

Nasal Cavity

The large air space behind the nose, involved in breathing and housing the olfactory neurons.

Chemoreceptors

Sensory cells or organs specialized in detecting changes in chemical concentrations, often used in taste, smell, and regulation of breathing.

Ventilation

The process of moving air in and out of the lungs to facilitate gas exchange with the internal environment, primarily involving oxygen and carbon dioxide.

Blood pH

The measure of acidity or alkalinity of the blood, which is typically maintained at around 7.35 to 7.45.