2. Incomes at a company are shown in the table in thousands of dollars, but some values are missing.

Income Percent Height of bar

30-50 14 0.07

50-60 16 0.16

60-80 25 0.125

80-110 30 0.1

110-160 15 0.03

a) Fill in the table and draw the corresponding histogram. If you can`t figure out the table, just put in anything and draw a histogram. More than one answer may be possible. For all parts of this problem you can assume that the data is continuous, spread evenly within each class interval, and use the left endpoint convention.

b) What is the 40th percentile of income? Answer as precisely as possible.