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ID: 3057667 • Letter: P
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Previous Problem ListNext Results for this submission Entered Answer Preview Resu 0.017 0.017 0.4768 0.4768 At least one of the answers above is NOT correct (1 point) A geologist has collected 11 specimens of basaltic rock and 11 specimens of granite. The geologist instructs a taboratory assistant to randomly select 14 of the specimens for analysis (a) What is the probability that all specimens of one of the two types of rock are selected for analysis? 0017 (b) What is the probability that the number of granite specimens selected for analysis is within 1 standard deviation of its mean value? 0.4768 Note: You can earn partial credit on this problem Preview My AnswersSubmit Answers Your score was recorded You have attempted this problem 5 times You receved a score or 0% for this attempt Your overall recorded score is 0%. You have unlimited attempts remaining Email instructorExplanation / Answer
Previous Problem ListNext Results for this submission Entered Answer Preview Resu 0.017 0.017 0.4768 0.4768 At least one of the answers above is NOT correct (1 point) A geologist has collected 11 specimens of basaltic rock and 11 specimens of granite. The geologist instructs a taboratory assistant to randomly select 14 of the specimens for analysis (a) What is the probability that all specimens of one of the two types of rock are selected for analysis? 0017 (b) What is the probability that the number of granite specimens selected for analysis is within 1 standard deviation of its mean value? 0.4768 Note: You can earn partial credit on this problem Preview My AnswersSubmit Answers Your score was recorded You have attempted this problem 5 times You receved a score or 0% for this attempt Your overall recorded score is 0%. You have unlimited attempts remaining Email instructor
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