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Calculate: The Probability of Completing an Assignment

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Dr. Stallter has been teaching basic statistics for many years. She knows that 80 percent of the students will complete the assigned problems. She has also determined that among those who do their assignments, 90 percent will pass the course. Among those students who do not do their homework, 60 percent will pass. Mike Fishbaugh took statistics last semester
from Dr. Stallter and received a passing grade. What is the probability that he completed the assignments?

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Solution Summary

This solution provides the step by step methodology required for the required probability calculation. Formula for the calculations and an interpretation of the results are also included.

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% of students completing the assignment = 80%

% of students who complete assignment passing = 90%

Estimated % of ...

Solution provided by:
Gaurav Agarwal, MS
Education
  • BE, Bangalore University, India
  • MS, University of Wisconsin-Madison
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