I got it its this answer i used mathpapa for this
Answer:
I dont understand
Step-by-step explanation:
What is it you need help with?
You're looking for a value

such that

Because the distribution is symmetric, the value of

in either case will be the same.
Now, because the distribution is continuous, you have that

The mean for the standard normal distribution is

, and because the distribution is symmetric about its mean, it follows that

.

You can consult a

score table to find the corresponding score for this probability. It turns out to be

.
Answer:
9
Step-by-step explanation:
because 4+ 5 is= 9