C. 4n - 2
Explanation: Johns pencils (n) x 4 - 2
So there for it would be 4n - 2
Answer: I think your answer is B, but I'm not positive
Step-by-step explanation:
The standard error (SE) of the sampling distribution difference between two proportions is given by:

where p is the pooled sample proportion,

<span> is the size of sample 1, and

<span> is the size of sample 2.
</span>

<span>
Given that a</span><span>t one vehicle inspection station, 13 of 52 trucks and 11 of 88 cars failed the emissions test.
</span>

<span>
</span>

<span>
</span>
</span>
The answer is C. 7 x ( 2 x 2 )