Answer:
The expected number of defective batteries to be pulled out is 0.9, which rounded to the nearest integer gives a total of 1, that is, 1 of the 3 batteries is expected to be defective.
Step-by-step explanation:
Given that a box contains 3 defective batteries and 7 good ones, and I reach in and pull out three batteries, to determine what is the expected number of defective batteries, the following calculation must be performed:
3 + 7 = 100
3 = X
10 = 100
3 = X
3 x 100/10 = X
300/10 = X
30 = X
3 x 3/10 = X
0.9 = X
Therefore, the expected number of defective batteries to be pulled out is 0.9, which rounded to the nearest integer gives a total of 1, that is, 1 of the 3 batteries is expected to be defective.
Hi,
Translation:
Hope this helps.
If you have any questions about anything in the answer comment below.
r3t40
Answer: y = -1/2 x + 3
Step-by-step explanation:
x + 2y= 6 subtract x from both sides
-x -x
2y = 6 - x Divide both sides by 2
y = 3 - 1/2x or y = -1/2x + 3
Answer:
that is the solution to the question
