Question

E(X) and Std. Deviation

A telephone number is used for voice and fax calls.Suppose25% of incoming calls involve fax messages and consider a sample of25 incoming calls.What isthe probability that

expected # of calls of 25 will involve a fax

exactly 6 involve a fax

at least 6 involve fax

more than 6 involve fax

Solutions

Expert Solution
No answers


Submit Your Answer