Answer:
hi!!! Welcome Im not a robot xd see
There are equal so neither
The Solution:
Given:
Required:
Find the standard deviation of the probability distribution.
Step 1:
Find the expected value of the probability distribution.


Step 2:
Find the standard deviation.




Thus, the standard deviation is 1.60
Answer:
1.60
5......................................
Answer: The solution is is x=7
Step-by-step explanation:
4/3x - 1/3 = 9
+1/3 +1/3
4/3x/4/3 = 28/3
x= 7