A Sample of 12 Items Yields = 48

question 21

Multiple Choice

A sample of 12 items yields = 48.5 grams and s = 1.5 grams.Assuming a normal distribution,construct a 90 percent confidence interval for the population mean weight.

• A)[47.722,49.278]
• B)[47.788,49.212]
• C)[45.806,51.194]
• D)[47.865,49.135]

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Definitions:

Video Endorsement

A promotional video where a person speaks in favor of a product, brand, or service, usually for marketing purposes.

Personal Story

A narrative shared by an individual about their own experiences, often used to connect with others on a personal level in various media.

Recommendation Indicators

Metrics or signals used to gauge the appropriateness or quality of a suggestion, aiding in decision-making processes.

Personalized Product Endorsements

Personalized product endorsements involve the use of specific messages or promotions tailored to the individual preferences or characteristics of the audience to enhance the effectiveness of marketing campaigns.