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A Sociologist Is Studying the Effect of Having Children Within

question 38

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A sociologist is studying the effect of having children within the first 2 years of marriage on the divorce rate.Using hospital birth records,she selects a simple random sample of 200 couples who had children within the first 2 years of marriage.Following up on these couples,she finds that 80 couples are divorced within 5 years.Let p = the population proportion of couples who had children within the first 2 years of marriage and are divorced within 5 years.Is the sample size of n = 200 large enough to estimate p with a margin of error 0.05 with 90% confidence? Use the observed value 0.40 as the value for p*.


Definitions:

Certainty

The state of being sure about something or the absence of doubt.

Defensiveness

A psychological reaction characterized by the need to protect oneself from criticism, perceived threat, or vulnerability, often hindering open communication.

Body Orientation

Body orientation refers to the positioning of an individual’s body, which can communicate attitudes, feelings, or intentions non-verbally in social interactions.

Nonverbal Communication

The process of conveying a message without the use of words, through gestures, facial expressions, and body language.

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