Answer:

Step-by-step explanation:
Given
 --- rate of hard disk drives failure
 --- rate of hard disk drives failure
 --- number of hard disk drives
 --- 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:


 
        
             
        
        
        
Answer:
Step-by-step explanation:
Performance Assessment Making a Fruit Bowl Bill has 5 apples and 5 bananas. He can only put 5 pieces of fruit in a bowl. How can Bill make a table to show the different ways he can put fruit in the bowl? 0 2 3 4 5 5. MP.7 Look for Patterns Write the 3. MP.8 Generalize What will be the same in each row of the table? missing numbers in the table. How do you know your answers are coect? . MP.2 Reasoning Will the number of bananas get smaller or larger as you move down the table? How do you know?
 
        
             
        
        
        
Yes. If you answer other people’s questions i think you will be able to do that again if not answer the question yourself.
        
                    
             
        
        
        
Answer is 45 pls mark as brainlist