document.write( "Question 705684: When Joe takes a penalty kick,
\n" ); document.write( "the probability that he will score a goal is 4/5.\r
\n" ); document.write( "\n" ); document.write( "Joe takes 30 penalties. Find how many times he is
\n" ); document.write( "expected to score a goal. Thank you in advance.
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Algebra.Com's Answer #434705 by abdullahi h mamman(2)\"\" \"About 
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solution
\n" ); document.write( " data;
\n" ); document.write( "number of trial N= 30, probability P(A) = 4/5 expectation E = ?
\n" ); document.write( "E = N * P(A)
\n" ); document.write( "E = 30 * 4/5
\n" ); document.write( "E = 120/5
\n" ); document.write( "E = 24
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