from the following data of marks obtain by 60 student in class, calculate the arithmetic mode, marks: 20,30,40,60,70, number of students: 8,12,20,10,6,4​

After jeff bezos read about how the internet was growing by 2,000 percent a month, he set out to use the internet as a new distribution channel and founded amazon, which is now the world's largest online retailer. this is clearly an example of a(n)a. firm that uses closed innovation. b. entrepreneur who commercialized invention into an innovation. c. business that entered the industry during its maturity stage. d. exception to the long tail business model