5. You are trying to call your friend, but she is already on the phone 60% of the time! a. What is the probability of su
Posted: Wed May 11, 2022 5:10 pm
5. You are trying to call your friend, but she is already on the phone 60% of the time! a. What is the probability of success each time you try to call her? b. What is the expected number of calls it will take until you can get through? c. What is the probability that you can reach your friend in exactly 3 tries? d. What is the probability that you reach your friend in fewer than 5 tries? e. What is the probability that it takes you more than 6 tries to get in touch with her?