Answer:
See Explanation;
Step-by-step explanation:
The given vectors are;
and 
a) To add or subtract two vectors, we add or subtract their corresponding components









b) See attachment for graphs(1,6
6 because 45 divides by 3 equals 15 and fifteen minus 9 equals 6, if you plug 6 into the equation it makes sense
<span>To find out what percent 7 out of 20 is, we
need to ask: 7 out of 20 is how many out of 100? 5 groups of 20 make
100, so 7 out of 20 is 35 out of 100 (5 x 7 out of 5 x 20). Therefore 7/20 equals 35%, or 0.35 if we represent it as a decimal. I hope this helps</span>
Answer:
Binomial distribution
Step-by-step explanation:
For each processor, there is only two possible outcomes. Eithey they will require repair, or they will not. This means that we solve this problem using the binomial probability distribution.
Binomial probability distribution
Probability of exactly x sucesses on n repeated trials, with p probability.