Abeetle has been walking down a
sidewalk. he started at 3: 15 in the
afternoon, and by 3: 20 he had made it 4
meters. what is the beetles speed in m/s?

Aparticular telephone number is used to receive both voice calls and fax messages. suppose that 25% of the incoming calls involve fax messages, and consider a sample of 25 incoming calls. (a) what is the expected number of calls among the 25 that involve a fax message?