Answer:
0.7026
Step-by-step explanation:
Let X denote the lifetime of light bulb. Given
where the mean is
.
Recall that,


15p+15p+25p=30p+25p=55p
Idk the answer sry sry
If I knew I would tell u the
Answer
Answer:
B. 
Step-by-step explanation:
The question is not properly presented. See attachment for proper presentation of question
From the attachment, we have that:




Required
Order from greatest to least
First, we need to simplify each of the given expression (in decimals)



Take square root of 3


--- approximated



Take π as 3.14


--- approximated
List out the results, we have:

Order from greatest to least, we have:

Hence, the order of arrangement is:

i.e.
