SOLUTION: According to the centers for Disease Control and Prevention, heart disease causes 35% of deaths in the United States, suppose a sample of 13 recently deceased from across the US, w

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Question 1068416: According to the centers for Disease Control and Prevention, heart disease causes 35% of deaths in the United States, suppose a sample of 13 recently deceased from across the US, were examined for cause of death.
Find the probability that between 3 and 8, exclusive, of the recently deceased died due to heart disease.
Find the probability that less than 4 of the recently deceased died due to heart disease.

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
P%28X%29=C%2813%2CX%29%2A%280.38%29%5EX%2A%281-0.38%29%5E%2813-X%29
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Using EXCEL to make a table of values,
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Sum the probabilities from X=3 to X=8,
P%283%3C=X%3C=8%29=0.874
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Sum the probabilities from X=0 to X=4,
P%28X%3C=4%29=0.501