Answer:
$7.72
Step-by-step explanation:
62×5=310. 12×10=120. Add all that up and you get $7.72
Answer:
2/9
Step-by-step explanation:
improper fraction of that would be 9/2. Flip both numbers and you get reciprocal 2/9
Solution -
The probability of getting 6 from a single roll of a fair dice = 
The probability of getting any other number rather than 6 would be
So when the outcome is 6, then he wins $5 ,otherwise he has to pay $2
So
E(X) = Expectation value =
( ∵ $5 gain so +ve and $2 loss so -ve)
=
∴ So Merrill will lose
dollar
Answer:-4\8
Step-by-step explanation: