Question
A student takes a 10-question true-false quiz. Because the student had such a busy schedule, he or she could not study and randomly and independently
A student takes a 10-question true-false quiz. Because the student had such a busy schedule, he or she could not study and randomly and independently guesses at each answer by tossing a fair coin.
(a) What is the probability of the student guessing all the answers correctly?
(b) What is the probability of the student guessing at least 2 answers correctly?
(c) What is the expected number of correct answers that the student gets?
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Critical Issues In Mathematics Education Monograph Series In Mathematics Education
Authors: Paul Ernest, Brian Greer, Bharath Sriraman
1st Edition
1607522187, 9781607522188
