{"id":"cb_question_bank:1e57fbb7-425a-4610-ad37-198b0b0bf3b2","source_id":"cb_question_bank","source_item_id":"1e57fbb7-425a-4610-ad37-198b0b0bf3b2","external_id":null,"ibn":"10642-DC","question_id":"53d97af5","program":"SAT","module":"math","domain_code":"Q","domain":"Problem-Solving and Data Analysis","skill_code":"Q.F.","skill":"Inference from sample statistics and margin of error","difficulty":"M","score_band":4,"answer_type":"mcq","answer_source":"key","layout_warning":null,"form_id":null,"module_number":null,"position":null,"stem":"A study was done on the weights of different types of fish in a pond. A random sample of fish were caught and marked in order to ensure that none were weighed more than once. The sample contained 150 largemouth bass, of which 30% weighed more than 2 pounds. Which of the following conclusions is best supported by the sample data?","stimulus":"","stimulus_html":null,"stem_html":"<p class=\"stem_paragraph \">A study was done on the weights of different types of fish in a pond. A random sample of fish were caught and marked in order to ensure that none were weighed more than once. The sample contained 150&nbsp;largemouth bass, of which 30% weighed more than 2 pounds. Which of the following conclusions is best supported by the sample data?</p>\n","rationale_html":"<p>\n        \n      </p><p>Choice D is correct. The sample of 150 largemouth bass was selected at random from all the largemouth bass in the pond, and since 30% of the fish in the sample weighed more than 2 pounds, it can be concluded that approximately 30% of all largemouth bass in the pond weigh more than 2 pounds.</p><p>Choices A, B, and C are incorrect. Since the sample contained 150 largemouth bass, of which 30% weighed more than 2 pounds, this result can be generalized only to largemouth bass in the pond, not to all fish in the pond.</p><p>\n        \n      </p><p></p>\n","correct_answer":["D"],"has_media":false,"has_mathml":false,"has_table":false,"source_created_at":"2023-08-02T20:25:59.638000+00:00","source_updated_at":"2023-08-02T20:25:59.638000+00:00","options":[{"label":"A","content_html":"<p>The majority of all fish in the pond weigh less than 2 pounds.</p>\n","ord":0},{"label":"B","content_html":"<p>The average weight of all fish in the pond is approximately 2 pounds.</p>\n","ord":1},{"label":"C","content_html":"<p>Approximately 30% of all fish in the pond weigh more than 2 pounds.</p>\n","ord":2},{"label":"D","content_html":"<p>Approximately 30% of all largemouth bass in the pond weigh more than 2 pounds.</p>\n","ord":3}],"attribution":{"source_id":"cb_question_bank","source_name":"College Board digital SAT question bank (community dump)","rights_holder":"College Board","canonical_url":"https://satsuitequestionbank.collegeboard.org/","retrieved_from":"https://raw.githubusercontent.com/mdn522/sat-question-bank/main/data/cb-digital-questions.json","attribution":"SAT practice questions © College Board, from the official SAT Suite Question Bank. Retrieved via the community dump at github.com/mdn522/sat-question-bank.","disclaimer":"SAT® and PSAT/NMSQT® are trademarks registered by the College Board, which is not affiliated with, does not sponsor, and does not endorse this project.","license":"College Board copyright; source repository carries no licence. Local use only.","redistributable":false,"item_count":2017}}