# SOLUTION: A study is conducted to assess the impact of caffeine consumption, smoking, alcohol consumption, and physical activity on the risk of cardiovascular disease. Suppose that 40% of p

Algebra ->  Algebra  -> Probability-and-statistics -> SOLUTION: A study is conducted to assess the impact of caffeine consumption, smoking, alcohol consumption, and physical activity on the risk of cardiovascular disease. Suppose that 40% of p      Log On

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 Question 363726: A study is conducted to assess the impact of caffeine consumption, smoking, alcohol consumption, and physical activity on the risk of cardiovascular disease. Suppose that 40% of participants consume caffeine and smoke. If 8 participants are evaluated, what is the probability that: a. Exactly half of them consume caffeine and smoke? b. At most 6 consume and smoke?Answer by SadieKhan(31)   (Show Source): You can put this solution on YOUR website! 8 n 0.4 p cumulative X p(X) probability 0 0.01680 0.01680 1 0.08958 0.10638 2 0.20902 0.31539 3 0.27869 0.59409 4 0.23224 0.82633 5 0.12386 0.95019 6 0.04129 0.99148 7 0.00786 0.99934 8 0.00066 1.00000 1.00000 1) P(x= 4)= 0.23224 2)p(x<6) = 0.95019