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Mathematics 19 Online
OpenStudy (rea201):

Can someone help me with honors pre-calc A student guesses the answers to all 10 questions on a true/false test. What is the probability that the student gets 6 questions correct?

OpenStudy (anonymous):

use binomial approximation

OpenStudy (phi):

See http://en.wikipedia.org/wiki/Binomial_distribution#Probability_mass_function the formula is \[ Prob(6) = 10C6 0.5^6 0.5^4

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