document.write( "Question 973234: There are 20 students who take the final exam in Statistics. The probability that a student will pass is 0.78.
\n" ); document.write( "Event A: None of the students fail.
\n" ); document.write( "Define A complement and find P(A complement)
\n" ); document.write( "I did the math as follows:
\n" ); document.write( "P(At least one student fails) = 1- P(all pass)
\n" ); document.write( "=1-(0.78)^20
\n" ); document.write( "=0.993
\n" ); document.write( "Is this correct? Thanks! \n" ); document.write( "

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