Answer:
The guard should be positioned at the safe
Step-by-step explanation:
The night watchmen should be positioned to guard whichever place gives the highest expected value to the thief.
The expected value of robbing the safe is:

The expected value of robbing the cash register is:

Therefore, the guard should be positioned at the safe since it yields a higher expected value to the thief in case he tries to rob it.
Answer:
See below for answers and explanations
Step-by-step explanation:
<u>Part A</u>

<u>Part B</u>

<u>Part C</u>

Answer:
Percent of change in population is
%
Step-by-step explanation:
Given population of Boston is
measured in year
.
And population of Boston in year
is
.
We need to find percent of change in population.
So, percent change
%
Here old population is
and new population is 
Plugging these value in formula we get,
Percent change 
Rounding to nearest tenth 2.6%
The patch doubles in size each day so, on the 47th will be half the size than on the 48th day