The answer would be (-1,-4) because -1 is the z factor and -4 is the why then solve to make them equal the same thing.
16:24 students made at least 80% on the test. The question is what is the ratio of students who scored below an 80% to the total number of students. 8:24 would be the right answer, but since it is asking for the answer in the simplest form, it would be 1:3.
Answer: 
<u>Step-by-step explanation:</u>
Blue = 5, Red = 3, Green = 2, Total = 10
Probability = First draw and Second draw
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