True or False Probabilites Statements

Probability of students seeing the same movies

Of 2100 students surveyed:
900 saw Avatar
500 saw Memento
300 saw both movies

How many saw:

a)Avatar or Memento?

b)Avatar but not Memento?

c)Memento but not Avatar?

d) Neither movie?

Hello, superpowerspacemonkey!

Draw a Venn diagram or . . .

Quote:

Of 2100 students surveyed:
. . 900 saw Avatar
. . 500 saw Memento
. . 300 saw both movies

Place the information in a chart . . .

. . $\begin{array}{c|| c|c|| c|} & \text{Memento} & \sim\text{Memento} & \text{Total} \\ \hline \hline \text{Avatar} & 300 & & 900 \\ \hline \sim\text{Avatar} & & & \\ \hline \hline\ \text{Total} & 500 & & 2100 \\ \hline \end{array}$

Fill in the missing numbers and answer the questions.

Thanks!!!