For the first question the answer is 1/13. then for the second it is 1/2 and for the third it is 3/10.
Answer:
2r+1+(-4r)+7
= -2r+8
= -2(r+4)
Step-by-step explanation:
<span>Divide the US into groups, by state. For cluster sampling, randomly choose twenty states and use the population of those states as the sample. For stratified sampling, randomly choose 10,000 people from every state as the sample.</span>
Answer:
Adding and subtracting!!!
Step-by-step explanation:
i took math lol
PS plzz tell me if u got it right!!!
Answer:
The answer is already in the correct formation, there is nothing to change.
