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):


70÷6=11.66666667 this is the exact answer
Answer:
False
Step-by-step explanation:
The given statement is false because behavioral field study deals with the cognitive processes during field study or task.
<u>In the given statement only the physical strength of the students is measured while behavioral field study measures or explores human behavior and how or what techniques are students using to perform the field task.</u>
Hence, the correct option is "False".