If u know this u r a genius

A coin is selected at random from a bag of money. Use the distribution table above to determine the expected value. Round the answer to the nearest cent.

Coin COUNT
Penny 17
Nickel 11
Dime 8
Quarter 14

Question

If u know this u r a genius

A coin is selected at random from a bag of money. Use the distribution table above to determine the expected value. Round the answer to the nearest cent.

Coin    COUNT
Penny  17
Nickel  11
Dime   8
Quarter 14

anonymous · Answer

A.
$0.05
B.
$0.07
C.
$0.10
D.
$0.12

anonymous · Answer

there are a couple ways to do this
perhaps the easiest was is to add up all the money, then divide by the number of coins there are

anonymous · Answer

in other words, it is really just the "average"

anonymous · Answer

so 12?

misty1212 · Answer

HI!!

misty1212 · Answer

just like the last one 
lets count the money first

misty1212 · Answer

$$17+5\times 11+8\times 10+14\times 25$$

misty1212 · Answer

i get $502$

misty1212 · Answer

then divide that by the number of coins

misty1212 · Answer

i get 50

misty1212 · Answer

final answer 
$$\frac{502}{50}$$ in pennies