Answer:

Step-by-step explanation:
We require more information by I will explain in principle:
If Type A has at least 300 hours and Type B at least 400 hours.

You need to determine the Probability density function of X and Y and then subtract 1 from both

This will give you the probability of the expression.
You do 2(5)^2 and the answer is 50
Answer:
Translation is 67x-65=x-4, you can use any variable for the number.
Step-by-step explanation:
10 -3.5 and 10 -8.5 is the answer I think
Answer:
0/8
Explanation:
There is no number greater than 10 on the spinner, so there is a 0/8 chance that the spinner will land on a number greater than 10.