Answer:
a) Yes
b)No
c) Yes
d) No
Step-by-step explanation:
Remember, a collection of subsets of a set is a partition of if the union of the subsets is , that is, and the elements of are disjoints.
Let
Then
a) and .
Then the collection is a partition of B.
b) and
Since the sets aren't disjoints then they aren't a partition of B.
c)
and
Then the elements of the collection are disjoints.
Therefore, is a partition of B.
d) because . Then the collection isn't a partition of B.
3/25 because 36/300 goes down to 12/100 and then goes to 3/25 which is the answer
Answer:
1/2 + 1/2 = 1
1/4 + 1/4 = 1/2
So you would walk 1/2 mile in 1 hour
Answer: The expected value would be -$9.022.
Step-by-step explanation:
Since we have given that
Number of throws made by basketball player = 217
Number of free throws = 357
So,
Let X be the amount he lose or win.
X can be $32 or -$21
So, it becomes,
and
So, the expected value would be
Hence, the expected value would be -$9.022.
I would pick 750 - 250 because that equals 500. You can also prefer using 800 - 250.