Question
A certain public examination has a consistent past record of a 25% failure rate. For a group of 15 people writing the examination this year,
A certain public examination has a consistent past record of a 25% failure rate. For a group of 15 people writing the examination this year, calculate the probability that:
a. at least 12 will pass; (4 marks)
b. all will pass.(4 marks)
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Probability & Statistics For Engineers & Scientists
Authors: Ronald E. Walpole, Raymond H. Myers, Sharon L. Myers, Keying
7th Edition
9789813131279, 130415294, 9813131276, 978-0130415295
