Answer: none of these are right, the correct answer would be 7
Step-by-step explanation:
The expected value of events
with probabilities
is given by
Given that <span>in a game, Sam wins $1 with the probability of
, $5 with the probability of </span><span>
, and $0 with the probability of </span><span>
</span>
Sam's expected winnings is given by:
Therefore, Sam's expected winnings is $1.17
Answer:
Step-by-step explanation:
Distance formula:
Note that distance is always positive
The rule is y=x^2
Since 4^2=16,
and (-1)^2=1