Answer: 19.13 yd²
Step-by-step explanation:
1. By definition, you have that 1 square meter is equal to 1.19599 square yards. You can express it as following:
1 m²= 1.19599 yd²
2. Then, keeping the information above on mind, you can make the conversion from 16 m² to yd² as it is shown below:

Therefore, you have that 16 m² is equivalent to 19.13 yd².
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:


Answer:
d.
Step-by-step explanation: