There are 3 numbers as such.
First lets list all the factors of 12
1,2,3,4,6,12
now lets see which are multiples of 3
3,6 and 12 are multiples of 3
therefore we are left with
1,2 and 4
I think what's your trying to say is 419-200? If so it's 219
Hullo!
Your answer is C! Or 78 cm!!
Hopefully this helps! :D
<span>The best and easiest way to get it is by using a TI calculator and i hope you can have it, then you can type in the next: invnorm(1 - 0.628) What you are doing is that you are subtracting the probability from 1 because the invnorm function finds the z-score given the probability to the left of the z-score. I think that can help you. </span>