To calculate expected value,
We can add up the probability of all possible events.
The 2 possible events are either winning $50 or losing the prize, which is $ - 50
Expected value =
50 x 40 % + (-50) x 60%
= $-10
So the answer is $-10
Answer:
4 21
Step-by-step explanation:
Its probably the answer you are looking for
Answer:
its the first answer choice!
Step-by-step explanation:
The best approximation for sqrt 55 would be: B) 7 2/5
Answer:
327.4
Step-by-step explanation:
All you have to do to simplify a number written in scientific notation is to move the decimal place to the left (if the number is negative) and to the right (if the number is positive).