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


Answer:
2 + (3 + 4) = (2 + 3) + 4 ⇒2+7 = 5+4.
Step-by-step explanation:
First - 8
second - 4
third - 12
fourth - 9
Answer:
The value will be $3,400 after 3 years
Step-by-step explanation:
Convert the percentage into the cash decrease each year, multiply that by 3 and then subtract $10,000 by the sum.
.22 x 10,000 = 2,200
2,200 x 3 = 6,600
10,000 - 6,600 = 3,400