When the federal (national) government sends dollars to state governments, those funds usually: ?

those funds come with many "strings" attached.

This is because the funds from the federal government are contingent upon the state meeting certain requirements. The funds are given restrictions such as how they should spend for example on welfare and Medicaid. In some cases, the states might even be required to match federal funds with their allocations.

C 10% Condition.

Step-by-step explanation:

Let's Look at them one by one.

A: Large Enough sample condition.

this is met because 600 students is a good number to carry out a surwey.

B: Randomization,  600 incoming freshman are definitely random.

C: we are left with C so the answer is C.