![subject](/tpl/images/cats/mat.png)
Mathematics, 29.04.2021 09:00 meganpaughstu
Suppose that a box contains 7 cameras and that 4 of them are defective. A sample of 2 cameras is selected at random. Define the random variable X as the number of defective cameras in the sample. Write the probability of X. What is the expected value of X?
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Other questions on the subject: Mathematics
![image](/tpl/images/cats/mat.png)
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 15:30, makaylapink8167
The tiles below are pieces of a normal ecg tracing representing a little less than two heartbeats at a resting rate of 80 bpm. arrange the tiles in their correct order. rank from first to last. do not overlap any tiles.
Answers: 1
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:30, gsVKJCGAISGF46661
Complete the solution of the equation. find the value of y when x equals to 6 4x+y=20
Answers: 2
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:30, velazquezemmy45
Aswimming pool measures 22ft by 12ft and is 4ft deep. if the pool is being filled at 2.5 cubic ft per minute, how long will it take to fill the pool?
Answers: 1
You know the right answer?
Suppose that a box contains 7 cameras and that 4 of them are defective. A sample of 2 cameras is sel...
Questions in other subjects:
![Konu](/tpl/images/cats/istoriya.png)
History, 26.07.2021 07:20
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/fizika.png)
Physics, 26.07.2021 07:20
![Konu](/tpl/images/cats/biologiya.png)
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/biologiya.png)
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 26.07.2021 07:20
![Konu](/tpl/images/cats/istoriya.png)
History, 26.07.2021 07:20