An angler fishes half of their time at East Delaney Lake, one quarter of their time at South Delaney Lake, and one quarter of their time at North Delaney Lake.  Each lake has only two types of trout, brown trout and cutthroat trout.   In East Delaney Lake, 6% of the trout are brown trout. In South Delaney Lake 64% of the trout are brown trout. In North Delaney Lake 69% of the trout are brown trout. Assume that any individual trout fish has the same chance of being caught by an angler spending time at that lake.  Given that the angler caught a brown trout, what is the conditional probability that they caught the trout on North Delaney Lake? Use three decimal place accuracy.

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
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Chapter9: Solving Quadratic Functions
Section: Chapter Questions
Problem 17CT
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An angler fishes half of their time at East Delaney Lake, one quarter of their time at South Delaney Lake, and one quarter of their time at North Delaney Lake.  Each lake has only two types of trout, brown trout and cutthroat trout.  

  • In East Delaney Lake, 6% of the trout are brown trout.
  • In South Delaney Lake 64% of the trout are brown trout.
  • In North Delaney Lake 69% of the trout are brown trout.

Assume that any individual trout fish has the same chance of being caught by an angler spending time at that lake.  Given that the angler caught a brown trout, what is the conditional probability that they caught the trout on North Delaney Lake? Use three decimal place accuracy. 

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