A category 4 hurricane strikes the U. S. mainland once every 4 years, on average, a) What are the expected value and standard deviation of the number of category 4 hurricanes that will strike the U. S. mainland in the next century (100 years)? b) What is the probability that exactly 3 such hurricanes will strike the U. S. mainland in the next 10 years?

A category 4 hurricane strikes the U. S. mainland once every 4 years, on average, a) What are the expected value and standard deviation of the number of category 4 hurricanes that will strike the U. S. mainland in the next century (100 years)? b) What is the probability that exactly 3 such hurricanes will strike the U. S. mainland in the next 10 years?

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

Similar questions

A manufacturer has determined that a machine averages one faulty unit for every 500 it produces. What is the probability that an order of 300 units will have one or more faulty units?
An ordinary die is rolled. Find the probability of each event. Rolling a number greater than 1 but less than 6
An ordinary die is rolled. Find the probability of each event. Rolling a number greater than 4
What term is used to express the likelihood of an event occurring? Are there restrictions on its values? If so, what are they? If not, explain.