A Population Proportion Is to Be Estimated from the Sample $95 \%$

question 87

Multiple Choice

A population proportion is to be estimated from the sample described. Approximate the 95% confidence interval. Round your answer to four decimal places, if necessary.
-A medical researcher wishes to estimate what proportion of babies born at a particular hospital are born by Caesarean section. In a random sample of 144 births at the hospital, 29\% were Caesarean sections. Find the $95 \%$ confidence interval for the population proportion.

• A) \(0.2067 < \mathrm { p } < 0.3733\)
• B) \(0.2365 < \mathrm { p } < 0.3435\)
• C) \(0.2837 < \mathrm { p } < 0.2963\)
• D) \(0.2144 < \mathrm { p } < 0.3656\)

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Definitions:

Internal Attribution

The process of assigning the cause of behavior to an individual's internal characteristics or disposition rather than to external factors.

Magical Thinking

A belief system where individuals think that their thoughts, actions, or words can influence the outcome of events in the physical world in a manner that defies the conventional laws of cause and effect.

Superstitious Behavior

Actions based on irrational beliefs that certain rituals, symbols, or practices can influence the outcome of events without a logical basis.

High-Stress Situation

Circumstances that significantly increase the emotional or physical stress levels of an individual or group.