Test Hypotheses About a Population Proportion
-The Business College Computing $30 \%$

question 153

Multiple Choice

Test Hypotheses about a Population Proportion
-The business college computing center wants to determine the proportion of business students who have personal computers (PC's) at home. If the proportion differs from $30 \%$ , then the lab will modify a proposed enlargement of its facilities. Suppose a hypothesis test is conducted and the test statistic is $2.5$ . Find the $\mathrm { P }$ -value for a two-tailed test of hypothesis.

• A) \(0.0124\)
• B) \(0.0062\)
• C) \(0.4876\)
• D) \(0.4938\)

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Definitions:

Plasma Membrane

The biological membrane that separates the interior of all cells from the outside environment, controlling the movement of substances in and out of cells.

Osmosis

The movement of water molecules through a semi-permeable membrane from a region of lower solute concentration to a region of higher solute concentration.

Lancet

A small, sharp, and typically pointed surgical instrument used for making small incisions or punctures.

Semipermeable

Describes a barrier or membrane that allows certain substances to pass through it while blocking others.