Answer:
Yes
Step-by-step expiation:
Negative plus negative equals a positive but you add the negative to a positive the number becomes a negative. and the other side everything is
positive in parentheses followed by a negative so they are equal.
Answer:

Step-by-step explanation:
Given
The above data
Required
Determine the expected value E(x)
E(x) is calculated as thus;

Where f(x) represents the total sale of each outcome;
For A:


For B:


For C:


Hence, E(x):


Answer:
-1.5
Step-by-step explanation:
i hope this helps
What are you trying to solve dear
Answer:
The mean is 7.375
The median is 7
Step-by-step explanation:
The median is just the middle number when you line up the numbers in order from least to greatest.
The mean is the average and you find that by adding up all the numbers and then dividing by how many numbers there are.