A Newspaper Recently Conducted a Survey of a Random Sample

question 21

Essay

A newspaper recently conducted a survey of a random sample of 120 registeredvoters in order to predict the winner of a local election. The Republican candidatewas preferred by 62 of the respondents.Assuming that it is reasonable to regard the 120 voters in the sample as representativeof the population of voters, construct and interpret a 90% confidence interval for theproportion of registered voters who prefer the Republican candidate.

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Definitions:

STIs

Infections transmitted through sexual contact, known as sexually transmitted infections.

Abstinence-Only

An educational or personal approach focusing exclusively on abstaining from sexual activity, often until marriage.

Sexual Debut

Penile-vaginal or anal intercourse that occurs for the first time in a person’s life; it is often considered a milestone for many adolescents.

Spermarche

The beginning of development of sperm in males’ testicles at puberty, marking the onset of male reproductive capability.