Answer:
none
Step-by-step explanation:
i dont understand
Once they're empty, I guess.
Did you put it the wrong way around?
Because it would be after four hours in this case.
It would equal -6 based on the math I did
Answer: There isn't any pictures what do you want us to answer???
Answer:

Step-by-step explanation:
1. The student is allowed to choose white, blue, green or black Polo shirts. So the student has 4 possibilities to select shirt and the probability of wearing the blue shirt is 
2. The student is allowed to choose khaki, black or plaid skirts/pants. So the student has 3 possibilities to select skirt and the probability of wearing the plaid skirt is 
3. The student is allowed to choose black or brown shoes. So the student has 2 possibilities to select shoes and the probability of wearing black shoes is 
Now use the product rule for probabilities:
