In Northern Yellowstone Lake, earthquakes occur at a mean rate of 1.2 quakes per year. what...
Earthquakes occur in the United States according to a Poisson process having a rate of 0.25 per day. Suppose we begin counting earthquakes at some point in time. a. What is the probability that 6 earthquakes occur in July 2050? b. On average, when will the 50th earthquake occur? 25 Example 4.5 What is the probability that 2 or more earthquakes occur over a 50-day period? c. d. What is the probability that it takes more than 10 days until...
4. A country is subject to natural hazards such as floods, earthquakes, and tornadoes. Supposé earthquakes occur according to a Poisson process with a mean rate of 1 in 10 years; tornado occurrences are also Poisson-distributed with a mean rate of 0.3 per year. There can be either one or no flood each year; hence the occurrence of a flood each year follows a Bernoulli sequence, and the mean returm period of floods is 5 years. Assume floods, earthquakes, and...
Suppose that earthquakes occur in a certain region on the average ln(2) per year. a) Let X denote the # of earthquakes that occur in a year; making proper assumptions, write the pmf Px(x) of X and compute the probability of no earthquake occurs in one year b) one investigator records the # of years Y until first year found in which no earthquake occurred. making use of (a), write pmf Py(Y) of Y and then find E(Y) and Var(Y)
Earthquakes occur in a given region in accordance with a poisson process with rate 5 per year. if the last earthquake was 1 month ago, find the probability that the next earthquake is at least 3 months away.
If we observe 1 earthquakes of M>4 per year on average: How many earthquakes of M>3 can we expect in a year? How many earthquakes of M>5 can we expect in a years? You should be able to give the result in terms of probability: For example, what is the probability of a M>5 in a year? II. Know how to use the Omori law (Review slide 17): If you are given the rate of occurrence of aftershocks on day...
3. The number of earthquakes per year in a certain region is a Poison random variable. The probability that no earthquake occurs in a given year in the region is 0.86. Find the probability that at least 2 carthquak es occur in a given year.
A textile manufacturing process finds that on average, five flaws occur per every 190 yards of material produced. A textile manufacturing process finds that on average, five flaws occur per every 190 yards of material produced. a. What is the probability of exactly four flaws in a 190-yard piece of material? (Do not round intermediate calculations. Round your final answers to 4 decimal places.) Probability ſ b. What is the probability of no more than two flaws in a 190-yard...
Cars enter a car wash at a mean rate of 2 cars per half an hour. What is the probability that, in any hour, exactly 4 cars will enter the car wash? Round your answer to four decimal places.
On averago, 5 traffic accidents per month occur at a certain intersection. Complete parts (a) through (c) below. Click here to view the table of Poisson probability sums (a) What is the probability that exactly 6 accidents will occur in any given month at this intersection? The probability that exactly 6 accidents will occur in any given month at this intersection is 0.1462 (Round to four decimal places as needed.) (b) What is the probability that fewer than 5 accidents...
Hurricanes in a particular place arrive with a mean of 3.25 per year. Suppose the number of hurricanes can be modeled by a Poisson distribution with this mean. a) What's the probability of no hurricanes next year? b) What's the probability that during the next two years, there's exactly 1 hurricane?