Answer on Sheets

Communication marks are for presentation (center headings, insert lines to identify totals, label axes) 16. A bag contains four red, three green, five black, and two orange jelly beans. A child reaches into the bag and takes out six jelly beans. [5 Marks + 3C] a) Show the probability distribution for the number of red jelly beans: use the table headings provided: Number of Red Probability, Jelly Beans, x P(x) b) Add a column to the table to calculate the expected value (E(x)) using the generic expected value algorithm. Show the total at the bottom of the column to calculate the expected value. c) Use the shorter, distribution-specific expected value formula to calculate the expected value (verify that it gives the same answer as the more detailed method used in part b)