Number 24 is asking what are the odds, So what you would do is count all the peices which would be 6. Two of those peices are white and 4 are grey so your answer would be
B. 2:4
Number 25 is asking about dice so add up the faces from one dice and thats 6, but you have two so it would be 6*2 which = 12.
B. 1:12
Number 26
You just divide 9 by 860 to get .0146116
So simplest answer would be 1% chance or .01 chance
B. 1%
Number 27.
This is experimental probability.
If 12 were found to be defective out of 280 the experimental probability of a purifier being defective is:
12/280 which is:
4.3% (to nearest tenth of a percent)
A. 4.3%