According to a Lawyers

question 71

Essay

According to a Lawyers.com survey, only 35% of adult Americans had a will (The Wall Street Journal, December 12). Suppose a recent survey of 250 adult Americans found 100 adults with wills.
A) Specify the competing hypotheses to determine whether the proportion of adult Americans who have a will differs from the proportion reported.
B) Calculate the value of the test statistic and the p-value.
C) At the 5% significance level, is the proportion different? Explain.

• A) Specify the competing hypotheses to determine whether the proportion of adult Americans who have a will differs from the proportion reported.
• B) Calculate the value of the test statistic and the p-value.
• C) At the 5% significance level, is the proportion different? Explain.

---

Definitions:

Prefrontal Cortex

refers to the front part of the frontal lobe of the brain, which is involved in complex cognitive behavior, personality expression, decision making, and moderating social behavior.

Limbic System

A complex system of nerves and networks in the brain, involved in basic emotions (such as fear and pleasure) and drives (such as those for food and sex).

Motor Cortex

A brain region responsible for the planning, control, and execution of voluntary movements.

Circadian Rhythm

Refers to the natural, internal process that regulates the sleep-wake cycle and repeats roughly every 24 hours.