a. Can this distribution be approximated using the Normal model? Explain. b. Use the Normal approximation to estimate the probability that at least 290 senior students are enrolled at this particular school. c. Use the Normal model to estimate the probability that between 200 and 300 senior students who are sampled are enrolled at this particular school.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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Question
Sixty-two percent of seniors attend a particular school in a school district. Assume 500 seniors
within this school district are sampled.
a. Can this distribution be approximated using the Normal model? Explain.
b. Use the Normal approximation to estimate the probability that at least 290 senior
students are enrolled at this particular school.
c. Use the Normal model to estimate the probability that between 200 and 300 senior
students who are sampled are enrolled at this particular school.
Transcribed Image Text:Sixty-two percent of seniors attend a particular school in a school district. Assume 500 seniors within this school district are sampled. a. Can this distribution be approximated using the Normal model? Explain. b. Use the Normal approximation to estimate the probability that at least 290 senior students are enrolled at this particular school. c. Use the Normal model to estimate the probability that between 200 and 300 senior students who are sampled are enrolled at this particular school.
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