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The employees of a firm that manufactures insulation are
Chapter 3, Problem 90E(choose chapter or problem)
Problem 90E
The employees of a firm that manufactures insulation are being tested for indications of asbestos in their lungs. The firm is requested to send three employees who have positive indications of asbestos on to a medical center for further testing. If 40% of the employees have positive indications of asbestos in their lungs, find the probability that ten employees must be tested in order to find three positives.
Questions & Answers
QUESTION:
Problem 90E
The employees of a firm that manufactures insulation are being tested for indications of asbestos in their lungs. The firm is requested to send three employees who have positive indications of asbestos on to a medical center for further testing. If 40% of the employees have positive indications of asbestos in their lungs, find the probability that ten employees must be tested in order to find three positives.
ANSWER:
Solution:
Step 1 of 2:
It is given that employees of a firm are being tested for asbestos in their lungs.The medical centre requested to send three employees with positive indications of asbestos.
40% of the employees in the firm have positive indications of asbestos. Now we have to find the probability that tem employees must be tested to find three employees with positive indications of asbestos.