Probability: Other Probability Problems – #29257


Question: In a month long study of a daily dose of an experimental anxiety drug, some of the 250 subjects experienced headaches. Using the following computer results from the study, find the probability of randomly selecting a study subject that had experienced

X 0.00 1.00 2.00 3.00 4.00 5.00 6.00
P(X) 0.3341 0.4019 0.2014 0.0538 0.0081 0.0006 0.0000

X = number of headaches

a. At least five headaches.

b. At most two headaches.

c. More than one headache.

d. At least one headache.

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