15,000 - 2,500
=12,500 + 3,000
=15,500 - 1,000
=14,500 + 2,500
=17,000 - 3,000
=14,000 ft after 2 hours
Do u have a picture of the assignment?
Answer:
(a) 
(b) 
(c) Fail to reject 
Step-by-step explanation:
Given




Solving (a): The test statistic
This is calculated as:

So, we have:



--- approximated
Solving (b): Range of p value
First, calculate the degree of freedom (df)



Using:
--- significance level
The p value at:
is:

and the range is:


Solving (c): The conclusion
Compare the p value to the level of significance value
We have:


By comparison:

because:

<em>Hence, the conclusion is: fail to reject </em>
<em></em>
Answer:
2.5
Step-by-step explanation:
5/2=2.5