A student studying for a vocabulary test knows the meanings of 10 words from a list of 24 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.)

Question

anonymous · Answer

like for the 1st one do you mean 10 choose 8 * 9/24^9?  Im sorry... i just dont get probabilities

anonymous · Answer

its not right