Answer:
I do not see a image
Step-by-step explanation:
The answer is r and s because it’s in the same plane.
Answer:
The probability that exactly one switch is good is

Step-by-step explanation:
The probability that a switch is defective is:

The probability that a switch is not defective is

Therefore, if two switches are selected, the probability that exactly 1 is good is:



351 because 293 multiplied by 3 = 879, and 1230 - 879 = 351