Answer:
:
: 
Step-by-step explanation:
It is given the average cost of the flight nationwide is $ 445.99
I wanted to
to determine that the true average is greater than $ 445.99
Let the hypothesis that the true average is actually greater than $445.99
Therefore,
the
for the test is :
: 
And the alternate hypothesis is :
: 
The answer is A to the question
A=p (1+rt)
A future value ?
p Principle 900
R interest rate 0.06
T time 9/12
A=900×(1+0.06×(9÷12))
A=940.5