question_answer

Hayden makes deliveries for a white goods store. He score the number of deliveries he make each day for 40 days. On how many days has Hayden made at least 10 deliveries?

No. of deliveries	Frequency
5	1
6	4
7	8
8	11
9	9
10	5
11	2

A)  10                               

B)  7

C)  17                            

D)  26