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Question 1 - General Probability Question. Consider the following questions based on the following data: P (A=Hypertension) = 0.81 P (A=Hypertension B=Diabetes) = 0.35 P

Question 1 - General Probability Question. Consider the following questions based on the following data:

P (A=Hypertension) = 0.81

P (A=Hypertension B=Diabetes) = 0.35

P (B=Diabetes) = 0.43

  1. What is the probability of Hypertension or B=Diabetes occurring, P(A=Hypertension=Diabetes)?

  1. What is the probability of A=Hypertension occurring given that B=Diabetes has occurred (i.e. P (A=Hypertension|B=Diabetes)? That is to say, a person has Hypertension given they are diabetic.

  1. Are the two events, Hypertension and Diabetes, disjoint (i.e. mutually exclusive)? Explain with values.

  1. Are the two events independent? That is to say, is there evidence that having Hypertension influences presence of diabetes (or vice versa). Explain with values.

Question 2 General probability with Counts - Suppose you have the following Health Data on a group of patients who went to an OUHSC clinic in 2023.

Age \ Obesity Normal Weight Overweight/Obese Totals
Under 45 347 749 1096
45 or Over 628 803 1431
Totals 975 1552 2527

a) What is the probability of overweight/obese given under 45? That is P(overweight/obese | Under 45)?

b) Are obesity and age independent of one another? Explain with your calculations.

c) What is P(Under 45 U Normal weight)? Show your calculation.

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