What is probability that exactly 3 calls reach a person?

Im having a really hard time trying to figure out what numbers to use where to answer this: When an opinion poll calls residential telephone…

Im having a really hard time trying to figure out what numbers to use where to answer this:

When an opinion poll calls residential telephone numbers at random, only 20% of the calls reach a live person. you watch the random dialing machine make 15calls.a) what is the probability that exactly 3 calls reach a person?
Let’s block ads! (Why?)

Do you need any assistance with this question?
Send us your paper details now
We’ll find the best professional writer for you!

 



error: Content is protected !!