SOLUTION: A student studying for a vocabulary test knows the meanings of 12 words from a list of 26 words. If the test contains 10 words from the study list, what is the probability that at

Algebra ->  Probability-and-statistics -> SOLUTION: A student studying for a vocabulary test knows the meanings of 12 words from a list of 26 words. If the test contains 10 words from the study list, what is the probability that at       Log On


   

Question 867205: A student studying for a vocabulary test knows the meanings of 12 words from a list of 26 words. If the test contains 10 words from the study list, what is the probability that at least 8 of the words on the test are words that the student knows? (Round your answer to three decimal places.)
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
p(knowing) = 12/26 = 6/13, n = 10
P(x ≥ 8) = 1 - binomcdf(10, 6/13, 7) = .0324