6. Suppose a professor wants to ask her students whether they did a reading assign- ment, but instead of asking directly, she asks each student to flip a coin and raise their hand if either the coin was heads or they didn't do the reading (or both). Suppose 3/4 of the class raises their hands. For a random student with his hand up, what is the probability he didn't do the reading?
6. Suppose a professor wants to ask her students whether they did a reading assign- ment, but instead of asking directly, she asks each student to flip a coin and raise their hand if either the coin was heads or they didn't do the reading (or both). Suppose 3/4 of the class raises their hands. For a random student with his hand up, what is the probability he didn't do the reading?
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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Transcribed Image Text:6.
Suppose a professor wants to ask her students whether they did a reading assign-
ment, but instead of asking directly, she asks each student to flip a coin and raise their hand
if either the coin was heads or they didn't do the reading (or both). Suppose 3/4 of the class
raises their hands. For a random student with his hand up, what is the probability he didn't
do the reading?
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