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1. ### Probability - Poisson Random Variable?

1. Homework Statement During a typical Pennsylvania winter, I80 averages 1.6 potholes per 10 miles. A certain county is responsible for repairing potholes in a 30 mile stretch of the interstate. Let X denote the number of potholes the county will have to repair at the end of next winter. 1...
2. ### Probability - Random variables

Homework Statement During a typical Pennsylvania winter, I80 averages 1.6 potholes per 10 miles. A certain county is responsible for repairing potholes in a 30 mile stretch of the interstate. Let X denote the number of potholes the county will have to repair at the end of next winter. 1...
3. ### Probability - Random Variables

So these statements are correct? p = 1/2 k = 5 n = 10 I apologize, I am not familiar with the 'binomcdf(10,.5,5)' format
4. ### Probability - Random Variables

Homework Statement 1. A test consists of 10 true-false questions. (a) In how many ways can it be completed? (HINT: The task of completing the test consists of 10 stages. Use the Product Rule.) (b) A student answers the questions by flipping a coin. Let X denote the number of correctly...
5. ### Statisitics - Random Variables

Homework Statement There is a population of 30 elk. 6 elk are captured, tagged and then released into the wild. Then later 5 elk are captured, what is the probability that k elk are tagged? Homework Equations p=6/30 = 1/5 P = \stackrel{n}{k} * pk * (1-p)k \stackrel{n}{k}...