Asking every 10th visitor to a highway rest area their opinion as to who they prefer for president is a random sample.

True.

Step-by-step explanation:

Since one cannot control who is on the highway and who isn't, this is a random sample.

Answer with explanation:

It also depends on time and day at which you are sampling.As time and which day of the week, at which sampling is done is not given ,So considering that time and on holiday at which most of the vistors will come in rest area.

So, Opinion is taken from every 10th visitor which includes, teenagers, Adult, youngsters, Old age, man and Women.

We can say that in an hour thousand place arrived at the rest area.And then Random Sample will be equal to100.Means you are taking 10% of the population as Random Sample, which will be Inappropriate Sample as sample will be too small to select who is going to be next president.

⇒False Statement

 Asking every 10th visitor to a highway rest area their opinion as to who they prefer for president is a random sample.

7

step-by-step explanation:

i'm assuming you need to figure out how many campers go into each tent.

i got the answer by:

24+4=28

28/4=7  

x = -4

step-by-step explanation:

- 20 - 4(x + 3) = 4x

=> -20 - 4x - 12 = 4x

=> - 32 -4x = 4x

=> -32 = 4x + 4x

=> - 32 = 8x

=> -32/8 = x

=> -4 = x