What is an equivalent ratio to 1:3

5:15

Step-by-step explanation:

Just times both by a random number, I chose 5

So it would be 1x5=5  and  3x5=15

So take those and boom 5:15

Hope this helps :)

answer: expected value of x = 1.0

step-by-step explanation:

p(x=0) = 0.25

p(x=1) = 0.50

p(x=2) = 0.25

expected value for x = 0×0.25 + 1×0.5 + 2×0.25 = 1.0

answer: what are the following choices