Answer:a).it is an experiment
b).it is randomized.
c).The response variables are the various age groups;5--6,7--8,9--10
d)
Step-by-step explanation:
Answer:
It's a 50% chance
Step-by-step explanation:
A coin has to sides both sides of a equal chance (50%) of getting landed on.
Answer:
i am not sure if this completly helps but here are some options...
Step-by-step explanation:
x-
or
x-10
or
x-10.4
-3(k+7)-5k+4=23
-3k-21-5k+4=23
Get rid of the numbers that aren't being multiplied by k:
-3k-5k=23+21-4
Add like things:
-8k=40
Divide by -8 on both sides to get k by itself and to make the equation even:
k=-5