A drawer contains black socks and white socks. 70% of the socks are black socks. A
number generator simulates randomly selecting 10 socks from the drawer. The
number generator is used 10 times and the number of black socks in each trial is
shown in the dot plot.
0 1 2 3 4 5 6 7 8 9 10
Which description is correct about the number generator being fair or not?
The number generator is not fair.

The correct percentage of black socks was not
chosen at all.

The number generator is fair. It picked the approximate percentage of black
socks most of the time.

The number generator is not fair. In three experiments, it picked black socks less
than 50% of the time.

The number generator is fair. It only picked black socks half of the time.