In a hypothetical job field, 10% of workers are promoted within their first year of employment. For this hypothetical job field, what is the probability that exactly 25 workers were promoted in their first year in a random sample of 200 workers? Hint: This is a binomial distribution, where p = .10 and q = .90

A. less than 5%
B. greater than 95%
C. between 5% and 6%
D. between 15% and 16%


Ans: A

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Identify at least two areas of cultural diversity that teachers should become knowledgeable about

What will be an ideal response?

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In light of the chapter discussion on cultural differences, if you have a young African American student in your fourth-grade class who consistently has problems working on assignments alone, which of the following might you consider in trying to help?

a. Assume that the child has reading difficulties and make arrangements for her to be evaluated. b. Try letting the student work cooperatively with peers. c. Make arrangements to speak to the child's parents about the child's refusal to participate in school. d. Provide either negative or positive reinforcement to encourage the child to read the required assignments.

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Of the following research topics, which is most likely to be a relationship study?

a. The relationship between motivation and acheivement. b. The difference in minutes a day exercising between boys and girls. c. The types of exercise students engage in after school. d. The experiences of John at after school track practice.

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Which problems below are the primary reasons for current dissatisfaction with IQ/achievement method of identifying learning disabilities?

A) Students must wait until they are performing poorly in school to get help; large numbers of students are identified as having LD. B) Students with learning disabilities do not actually have normal intelligence; LD is hard to distinguish from low achievement. C) Proving a discrepancy between intelligence and achievement is difficult and unreliable; there is not enough focus on medical aspects of LD. D) The method identifies only a few students; it focuses too much on social aspects of LD.

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