The probabilities that an adult man has high blood pressure and\'or high cholest

Question

The probabilities that an adult man has high blood pressure and'or high cholesterol are shown in the table. Are high blood pressure and high cholesterol independent? Explain Choose the c below O A. No, because there are outcomes that are common between them. O B. Yes, because there are no common outcomes. O C. Yes, because the outcome of one does not influence the probability of the other. O D. No, because the outcome of one influences the probability of the other Blood Pressure High High 0.12 0 21 BLOK 019 048

Explanation / Answer

Answer

Option D

Workings

P (High blood pressure) = 0.12 + 0.19 = 0.31

P (High cholesterol) = 0.12 + 0.21 = 0.33

P (High blood pressure) * P (High cholesterol) = 0.31 * 0.33 = 0.1023

P (High blood pressure & Cholestrol) = 0.12

Clearly P (High blood pressure & Cholestrol) * P (High blood pressure) * P (High cholesterol)

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