subject
Mathematics, 25.09.2019 15:10 EinsteinBro

Afactory makes tv's and video machines. checking for faults regularly, on average, 5 out of every 300 tv's are faulty and 8 out of every 200 video machines are faulty.
a) if i check two tv's and 1 video machine at random, what's the probability that exactly one of them is faulty?
b) how many tv's must be checked so that the probability of at least one being faulty is greater than 0.95.

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 16:30
Which approach to the theory-and-research cycle does the following sequence reflect: (1) specific observations suggest generalizations, (2) generalizations produce a tentative theory, (3) the theory is tested through the formation of hypotheses, and (4) hypotheses may provide suggestions for additional observations?
Answers: 1
question
Mathematics, 21.06.2019 19:00
[15 points, algebra 2]simplify the complex fraction and find the restrictions.
Answers: 1
question
Mathematics, 21.06.2019 19:30
If you could answer these your a life saver
Answers: 2
question
Mathematics, 21.06.2019 20:30
East black horse $0.25 total budget is $555 it'll cost $115 for other supplies about how many flyers do you think we can buy
Answers: 1
You know the right answer?
Afactory makes tv's and video machines. checking for faults regularly, on average, 5 out of every 30...
Questions
question
Mathematics, 20.08.2020 04:01
question
Mathematics, 20.08.2020 04:01
question
Mathematics, 20.08.2020 04:01
question
Mathematics, 20.08.2020 04:01
Questions on the website: 13722367