Answer:
The probability of a bulb lasting for between 480 and 526 hours=0.74454
Step-by-step explanation:
We are given that
Standard deviation of the lifetime,
hours
Mean,
hours
We have to find the probability of a bulb lasting for between 480 and 526 hours.





Hence, the probability of a bulb lasting for between 480 and 526 hours=0.74454
I am sure but I am going with Property if equation . this is say if x =2 then 2 x y = 2y .
Answer:
8/4 = 2
Step-by-step explanation:
Nice work ! With this deceptively brief question, you score a twofer.
We don't know which graph, and we likewise don't know which behavior.
Otherwise, we're all over it.