Suppose X is a normal random variable with mean 20 and standard deviation 4. A really bored mathematician observes the value for X and uses it

to construct a cube of dimensions lXl lXl lXl.

(a) Find the expected surface area of the cube.

(b) Find the expected volume of the cube.

(c) Using computational software, approximate the probability that the volume is more than 5 times greater than the area.

the naturalist literary movement was an extension of the realist literary movement, a movement that strove to portray life as it really was hope it

step-by-step explanation:

wait nvm i know the correct answer now its 100%   81 square feet

~batmans wife dun dun

for future students the answer is b

hope i

-lavira: )

answer:

some responsibilities that come with having a checking account -

1. we have to maintain check register with exactness to avoid checks being returned for insufficient funds which is called bouncing a check.

2. we need to update our check register each time we make a transaction using a convenience card. updating check register will   save   us from   overdrawing of checking account.

3. read the agreement the bank gave you when you signed up for our checking account. this includes all the fees and the minimum balance we need to keep in our account to avoid maintenance charges.  

explanation:

note : -   checking account is a transactional deposit account. we can use it to deposit and withdraw funds. money in a checking account is very liquid. it   can be withdrawn using electronic debits, automated cash machines, or checks among other methods.