Question

1. A girl scout and her mom are setting up a table to sell cookies in front of a grocery store. They have available 3 boxes of Samoas, 4 boxes of Tagalons, 6 boxes of
Do-si-dos, and 7 boxes of Trefoils. Each box sells for $5.
a) Define your random variable you will need to use to answer items 1(c) − 1(f).

b) Determine the probability distribution and parameter(s) for the random variable defined in item
1(a).

c) Suppose that, after two hours, ten boxes of cookies have been purchased. Determine the cumulative distribution function for the number of Samoas purchased.

d) Draw the probability distribution function for the number of Samoas purchased.

Answer 1