First row all correct second rows all wrong and the first on of third row is correct be the last two are incorrect
Answer:i think its y+3x+8x-7
Step-by-step explanation:i dont have to explain
About 95% of rats weight is between 2.5+2 *standard deviation=2.5+2*0.5=2.5+1=3.5 and 2.5-1=1.5 (1.5,3.5).
About 68% of rats weight is between (2.5-1*standard deviation, 2.5+1*standard deviation), (2,3).
This means that about 68 percent of rats in the city weigh between 2 pounds and 3 pounds. (solution b)
Your answer would be -3/4
