The answer will be No, it is not a valid inference because his classmates do not make up a random sample of the students in the school. Hope it help!
Answer:5.5
Step-by-step explanation:first we have to plus 4 and 7 and then we to divide the answer we get by 2 because there are only 2 digits and then the mean is 5.5
hope it helps
Jannelle could go 4,720 miles hope this helps
Answer:
a c e ace ace ace ace ace ace ace
Answer: it will be 45, but for some reason it’s not in your answer choices
Step-by-step explanation: