Answer:
1: 7x+19=40
2: 19+7x=40
Step-by-step explanation:
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
Answer:
a-50 b-300
Step-by-step explanation:
Answer:
d
Step-by-step explanation: