An arts and crafts store has a crate that contains glass, wood, and brass beads. Friends take turns choosing a bead without looking, recording the bead type, and returning the bead to the crate. The table shows the results of 300 selections. Table: 60 glass, 96 wood, 144 brass: a. Write a probability model for choosing a bead.
b. Based on the frequencies in the table, estimate the number of each type of bead that will be chosen if the friends select a total of 450 beads from the crate.

The following frequency distribution reports the number of frequent flier miles, reported in thousands, for employees of brumley statistical consulting inc., during the first quarter of 2013. frequent flier miles (000) number of employees 0 up to 3 5 3 up to 6 12 6 up to 9 23 9 up to 12 8 12 up to 15 2 total 50 a. how many employees were studied? b. what is the midpoint of the first class? c. construct a histogram. d. a frequency polygon is to be drawn. what are the coordinates of the plot for the first class? e. construct a frequency polygon. f. interpret the frequent flier miles accumulated using the two charts.