Psychologists observing a shopping mall parking lot found that, on average, drivers spent 39 seconds leaving a parkin...

Mehran on December 18, 2017

What about Naz's explanation for question 11 is giving you trouble?

In order to be in the "three most popular" the variable can only have at most two variables in front of it.

Stated another way, anything with more than two variables in front of it cannot be in the three most popular.

These variables are M, K, and O. So M, K, and O cannot be among the three most popular.

So L, P, J, and N can be among the three most popular.

Hope that helps! Please let us know if you have any other questions.