subject
Mathematics, 13.03.2022 01:00 emalvidrez5205

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, answer the following two questions. (a) Find the probability that ten employees must be tested in order to find three positives. (b) If each test costs $20, find the expected value and variance of the total cost of conducting the tests necessary to locate the three positives.

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 16:10
Convert 50 kilogram to pounds. (the conversion factor from kilogram to pound is 2.2046.) a. 52.2 lb. b. 110.2 lb. c. 22.6 lb. d. 47.8 lb.
Answers: 1
question
Mathematics, 21.06.2019 16:30
Aflute is on sale for 20% off. including the discount and 8% tax, the sales price is $216.
Answers: 2
question
Mathematics, 21.06.2019 20:00
0if x and y vary inversely and y=6 as x=7, what is the constant of variation?
Answers: 1
question
Mathematics, 21.06.2019 22:30
Solve for x. −3/4(x+2)=6 enter your answer in the box
Answers: 1
You know the right answer?
The employees of a firm that manufactures insulation are being tested for indications of asbestos in...
Questions
question
Chemistry, 25.01.2021 14:00
question
Mathematics, 25.01.2021 14:10
question
Chemistry, 25.01.2021 14:10
question
Mathematics, 25.01.2021 14:10
question
Mathematics, 25.01.2021 14:10
question
English, 25.01.2021 14:10
question
Mathematics, 25.01.2021 14:10