Using the previous frequencies, the probability will be 13/20 or .65.
I hope this helps. Thanks for asking.
During the last hour, a telemarketer dialed 20 numbers and reached 4 busy signals, 3 answering machines, and 13 people. Use this information to determine the empirical probability that the next call will be answered in person.
2 answers
I believe it I might be able to answer this, it's, 13/20 or .65 like the person obove said.