Answer:
Step-by-step explanation:
The pdf of X is given by 3e^x(1-e^-2y). Please check the screenshot for the workings.
The pdf of Y is given by 6e^-2y. Please check the screenshot for the workings.
The expected time the device fails is the expected time Y fails, so we are going to find the expected time of Y which equals to 0.83.
Please check the screenshop for the workings. Thanks
Answer:
Step-by-step explanation:
the formula used for any interest other then continuously is
A=P(1+r/n)^nt
so... r=rate in decimal form ONLY n=how often interest is paid t=time passed
A=3000(1+.08/1)^(1)(5) = annually
A=3000(1+.08/2)^(2)(5)
A=3000(1+.08/4)^(4)(5)
use you calculator to get the answer
it is good practice to use your calculator now because soon you will be using it for population questions and those need to be entered very carefully.
Answer:
37.7
Explanation:
Just look at the number behind it if its a 5 or above it rounds up if not it stays the same and the ret of the numbers are zeros
All triangles equal 180 degrees.