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A study is conducted to assess the impact of caffeine consumption, smoking, alcohol consumption, and physical activity on risk of cardiovascular disease. Suppose that 40% of participants consume caffeine and smoke. If 8 participants are evaluated, what is the probability that:

A. Exact half of them consume caffeine and smoke?

B. At most 6 consume caffeine and smoke?

A recent study of cardiovascular risk factors reports that 30% of adults meet the criteria for hypertension. If 15 adults are assessed, what is the probability that:

A. Exactly 5 meet the criteria for hypertension?

B. None meet the criteria for hypertension?

C. Less than or equal to 7 meet the criteria for hypertension?

Please explain in detail how the answers were created.

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9371189

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