standard_description: Calculate the expected value of a random variable; interpret it as the mean of the probability distribution.
problem_activity: Problem 1
Locate and label the following fractions on the number line.
[IMG]
a.
$$12\over 6$$
b.
$$19\over 6$$
c.
$$24\over 6$$
d.
$$15\over 6$$
Problem 2
Draw a number line with endpoints 1 and 5. Label the wholes. Partition each whole into halves and label them.


aligns: no