Answer:
b. Because the probability of being 15 or more correct is 0.0207, it is likely that she is just guessing at the questions.
Step-by-step explanation:
-This is a binomial probability distribution with p=0.5, n=20 and x=15.
The function is expressed as:

We calculate the probability of guessing 15 or more correctly:

The probability of passing, guessing 15+ correctly, is 0.0207. This probability is very low and it is it is likely that she is just guessing at the questions
Answer:just order them
Step-by-step explanation:
2x = Twice your age
200 = Two hundred less
> -1 = more than negative
With the information given, your equation would be:
200-2x>-1
I think b because all the other lines are the same length and b lines aren’t
Answer:
umm there is no problem
Step-by-step explanation:
the answer is 10