13. A species of nocturnal mouse forages for food by taking short trips away from its burrow. In a given night the number of trips it might take is approximated using a Poisson distribution with a mean of 2.5 trips. For any one foraging session the mouse has a probability of 0.3 of finding food, and a probability of 0.1 of being caught by a predator. Each foraging session is assumed to be independent of the others. (You can leave your answers to the two questions below as a sum.) (a) Determine the PDF associated with the probability it will find food n times in one night. For part a on question 13 ignore the possibility of being caught by a predator. Just assume it will not be caught and focus on foraging. (b) Determine the PDF associated with how many nights it will survive until a predator catches it on the nth night assuming each night is independent of the others.² For part b just focus on whether or not it will be caught.
13. A species of nocturnal mouse forages for food by taking short trips away from its burrow. In a given night the number of trips it might take is approximated using a Poisson distribution with a mean of 2.5 trips. For any one foraging session the mouse has a probability of 0.3 of finding food, and a probability of 0.1 of being caught by a predator. Each foraging session is assumed to be independent of the others. (You can leave your answers to the two questions below as a sum.) (a) Determine the PDF associated with the probability it will find food n times in one night. For part a on question 13 ignore the possibility of being caught by a predator. Just assume it will not be caught and focus on foraging. (b) Determine the PDF associated with how many nights it will survive until a predator catches it on the nth night assuming each night is independent of the others.² For part b just focus on whether or not it will be caught.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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