Use Bayes' Rule to Find the Indicated Probability

question 44

Multiple Choice

Use Bayes' rule to find the indicated probability.
-An water well is to be drilled in the desert where the soil is either rock,clay or sand.The probability of rock P(R) = 0.53.The clay probability is P(C) = 0.21.The sand probability is P(S) = 0.26.It if it rock,a geological test gives a positive result with 35% accuracy.If it is clay,this test gives a positive result with 48% accuracy.The test gives a 75% accuracy for sand.Given the test is positive,what is the probability that soil is rock,P(sand | positive) ?

• A)P(sand | positive)= 0.405
• B)P(sand | positive)= 0.385
• C)P(sand | positive)= 0.26
• D)P(sand | positive)= 0.209

Recognize the role of international financial institutions in the global economy.

Understand the concept of goal intention and how to transform vague intentions into specific, actionable goals.

Comprehend the role of self-efficacy in achieving personal goals and overcoming challenges.

Learn the significance of implementation intentions in turning goals into reality.

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