Use the Given Degree of Confidence and Sample Data to Construct

question 106

Multiple Choice

Use the given degree of confidence and sample data to construct a confidence interval for the population proportion $p$ .
$n = 56 , x = 30 ; 95 \%$ confidence

• A) \(0.425 < p < 0.647\)
• B) \(0.426 < p < 0.646\)
• C) \(0.405 < p < 0.667\)
• D) \(0.404 < p < 0.668\)

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Definitions:

Biceps Femoris

A muscle of the posterior thigh compartment, important in knee flexion and thigh extension, part of the hamstrings group.

Linea Alba

A fibrous structure that runs down the midline of the abdomen, forming the seam of the abdominal muscles, and serves as an important site for muscle attachment.

Rectus Abdominis

A major muscle in the abdomen, known as the "six pack," responsible for flexing the lumbar spine and stabilizing the pelvic and lower back region.

External Oblique

A muscle located on the lateral and anterior parts of the abdomen, involved in trunk rotation and lateral flexion of the spine.