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To study the hormonal regulation of a metabolic line, albino rats are injected with a drug that inhibits the synthesis of proteins in the organism. In general, 8 out of 30 rats die from the drug before the experiment is over. If 10 animals are treated with the drug. What is the probability that 4 or fewer arrive alive at the end of the experiment? What is the probability that more than 8 will arrive alive at the end of the experiment?

To study the hormonal regulation of a metabolic line, albino rats are injected with a drug that inhibits the synthesis of proteins in the organism. In general, 8 out of 30 rats die from the drug before the experiment is over. If 10 animals are treated with the drug. What is the probability that 4 or fewer arrive alive at the end of the experiment? What is the probability that more than 8 will arrive alive at the end of the experiment?

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.8: Probabilities Of Disjoint And Overlapping Events
Problem 2C
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To study the hormonal regulation of a metabolic line, albino rats are injected with a drug that inhibits the synthesis of proteins in the organism. In general, 8 out of 30 rats die from the drug before the experiment is over. If 10 animals are treated with the drug.

What is the probability that 4 or fewer arrive alive at the end of the experiment?

What is the probability that more than 8 will arrive alive at the end of the experiment?

 

Note: Answer with at least 4 decimal places

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