Answer:

Step-by-step explanation:
Given
The attached probability distribution of x
Required
Find 
To do this, we consider all values of x less than or equal to-3.
So, we have:

From the table:


So, the equation becomes



Decimal= 0.22
44÷200=0.22
Fraction= 11/50
44/200÷2= 22/100
22/100÷2= 11/50
Him doing the surgerys / treating the patient
Answer:
7/22 as a decimal rounded to the nearest hundredths is 0.32.
Step-by-step explanation:
7/22 as a decimal is .31818181818182,the thousandths place is over 5 which makes the hundredths place .01 higher when rounded, making it 0.32.