1. Two fair die are rolled.
A- Make a probability distribution table of X, and the sum of the two die.
B- Calculate the expected value of X
2. X= your bank balance at the begining of a randomly selected day
Y=your bank balance at the end of the same day
Your begining balances have mean $2500 and variance $1225. Your ending balances have mean $3000 and variance $1024. Begining and ending balances are correlated with p=0.75
A- on average, how much is deposited per day?
B- On average how much do the daily deposits deviate from the mean?
please explain HOW not just give the answers, i need to understand this for my test