The Number of Hours Per Week That High School Students

question 27

Multiple Choice

The number of hours per week that high school students spend on homework is normally distributed,with a mean of 12 hours and a standard deviation of 3 hours.50 students are chosen at random.Let
Represent the mean number of hours spent on homework for this group.Find the probability that
Is between 10.8 and 13.0.

• A)0.0078
• B)0.286
• C)0.9886
• D)0.4711
• E)0.0143

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Definitions:

Drug Use

The act of consuming substances that alter mental states or bodily functions, which can range from medical prescription usage to illicit substance abuse.

Bronfenbrenner's Theory

A framework suggesting that an individual's development is affected by the interaction between their environment and various systemic layers, from immediate surroundings to broader societal influences.

Exosystem

A term from ecological systems theory referring to societal structures that do not directly contain the individual but still influence their experiences and development, such as parental workplaces.

Microsystem

The immediate environment a person operates in, including direct interactions with family, school, work, which influence one's development and behavior.