Use a calculator called symbolab.com 0-0
12 inches is the answer im sure
Answer:
Step-by-step explanation:
Given
--- rate of hard disk drives failure
--- number of hard disk drives
<em>See comment for complete question</em>
Required
First, calculate the probability that the none of the 4 selected is working;
Using the complement rule, the probability that at least 1 is working is:
This gives:
Umm kid u forgot to put in like -, +, or x, or at least /
but here are the answers, if its addition the answer is 1/4, if its subtraction answer is -19/4 but if u simplify it to mixed fraction answer would be -4 3/4, if its multiplication answer would be -45/8 but simplify that and it would be -5 5/8, if its division answer would be -9/10 hope this helps
