The lifetime risk of developing pancreatic cancer is about one in 78 (1.28%). Let X = the number of people you ask until one says he or she has pancreatic cancer. Then X is a discrete random variable with a geometric distribution: X~G ~G (TB) or X G(0.0128). a. What is the probability of that you ask ten people before one says he or she has pancreatic cancer? b. What is the probability that you must ask 20 people? c. Find the (i) mean and (ii) standard deviation of X.

The lifetime risk of developing pancreatic cancer is about one in 78 (1.28%). Let X = the number of people you ask until one says he or she has pancreatic cancer. Then X is a discrete random variable with a geometric distribution: X~G ~G (TB) or X G(0.0128). a. What is the probability of that you ask ten people before one says he or she has pancreatic cancer? b. What is the probability that you must ask 20 people? c. Find the (i) mean and (ii) standard deviation of X.

College Algebra

10th Edition

ISBN:9781337282291

Author:Ron Larson

Publisher:Ron Larson

Chapter8: Sequences, Series,and Probability

Section8.7: Probability

Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....

See similar textbooks