An online store has the daily demand shown in table below for men's bamboo & spandex shirts.

Sale (units)	Frequency (days)
0	5
1	8
2	4
3	3
4	2
5	1
6	2
7	1
8	1
9	1
10	2
	Total = 30

a. Develop a relative frequency distribution for the given data.

b. Use the random numbers generated by Table 10-2 to simulate daily sales for a 10-day period.