Over the Entire Six Years That Students Attend an Ohio

question 24

Multiple Choice

Over the entire six years that students attend an Ohio elementary school, they are absent, on average, 28 days due to influenza. Assume that the standard deviation over this time period is σ = 9 days. Upon graduation from elementary school, a random sample of 36 students is taken and asked how many days of school they missed due to influenza. The probability that the sample mean is less than 30 school days is ________.

• A) 0.0918
• B) 0.4129
• C) 0.5871
• D) 0.9088

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Definitions:

Personal Sources

Individuals or personal contacts from whom one can obtain information, recommendations, or advice, especially relevant in purchase decisions or when seeking trustworthy data.

Consumer Value Perceptions

How consumers view the worth of a product or service in relation to its price, quality, and utility.

Alternative Evaluation

The stage in the consumer decision-making process where different product and service options are assessed against a set of criteria.

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The act of proposing specific standards or benchmarks that can be used to evaluate or judge something.