Answer:

And then we can find the probability replacing the last result and we got:

Step-by-step explanation:
For this case we have the following density function given:

And we want to find the following probability:

We can find this probability with the complement rule like this:

And we can find the following probability:

And then we can find the probability replacing the last result and we got:

Your answer would be 160 had it on a test
hope this helps
Answer:
7x-10
Step-by-step explanation:
Answer:
I think the answer would be C.)