Answer: C.-1.5
Step-by-step explanation:
Given: The burning time of a very large candle is normally distributed with mean
of 2500 hours and standard deviation
of 20 hours.
Let X be a random variable that represent the burning time of a very large candle.
Formula: 
For X = 2470

So, the z-score they corresponds to a lifespan of 2470 hours. =-1.5
Hence, the correct option is C.-1.5.
I think that
Every point is moved so that it is 2/3 as far from the y axis
should be the answer
Answer:
quotient
Step-by-step explanation:
Elimination, Multiply the second equation by -1, then add the equations together.
Answer:
write complete question...
so,I can solve it
Step-by-step explanation:
mark me brainliest