Answer: 5/3
i hope that’s correct :)
Answer:
3rd degree
Step-by-step explanation:
The highest exponent is a 3, meaning this is a 3rd degree polynomial.
Answer:
So, the expected value of the time it takes to commute is 16 minutes.
Step-by-step explanation:
Let X is time it takes you to commute. We calculate E(X)?
We know that the probability that you will have to wait for a train is 1/5, or .20. If you don’t have to wait, the com mute takes 15 minutes, but if you have to wait, it takes 20 minutes.
The probability that you will have to wait for a train is
:
The probability of not waiting for a train is:
So we get the following probability distribution:
We calculate E(X):
So, the expected value of the time it takes to commute is 16 minutes.
Expected value is not always the actual travel time, because it can sometimes take anywhere from 15 to 20 minutes.
Answer:
20,800
Step-by-step explanation:
Answer:
$6
Step-by-step explanation:
$75 - $40 = $30
With $30, the maximum number of scarves you can get is 2.
$30 - $24 = $6
Hope that helps!