Over the Entire Six Years That Students Attend an Ohio

question 51

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 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. Refer to Exhibit 7-1.The probability that the sample mean is less than 30 school days is _______.

• A)0.0918
• B)0.4129
• C)0.5871
• D)0.9082

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Definitions:

Psychosexual Stage

A concept in Freudian psychology that describes phases of childhood development, each characterized by an erogenous zone that drives behavior.

Oral

Pertaining to the mouth; often used to describe medications or other substances that are taken by mouth.

Anal

Relating to the anus. In psychology, it often refers to Freud's anal stage of development, where focus on bowel control can influence personality traits.

Latent

Describes something that is present but not currently visible, active, or manifest, often referring to abilities, conditions, or infections.