Solve the Problem. -Suppose You Know That the Distribution of Sample Proportions of Sample

question 31

Multiple Choice

Solve the problem.
-Suppose you know that the distribution of sample proportions of the residents of one town over 70 years old in samples of 120 residents is normal with a mean of 0.12 and a standard deviation of 0.04. You select a sample of 120 residents and find that the proportion of residents over 70 is 0.02. What is the probability that a second sample would be selected with a proportion greater than 0.02?

• A)0.0062
• B)0.0047
• C)0.9938
• D)0.9953

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Definitions:

Object Relations Theory

A psychoanalytic theory focusing on relationships with others and the external and internal objects, and how they shape the individual's mind and personality.

Significant Objects

Items that are given importance or value due to their emotional or symbolic meaning to an individual or culture.

Longitudinal Study

A research design that involves repeated observations of the same variables (e.g., people) over short or long periods of time.

Development Stages

Distinct phases of growth and development that humans go through from birth to adulthood, often described in psychological theories.