document.write( "Question 563342: you roll a number cube 30 times. About how many times would you expect to roll a 4 \n" ); document.write( "

Algebra.Com's Answer #364940 by stanbon(75887) $\"\"$ $\"About$

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you roll a number cube 30 times. About how many times would you expect to roll a 4
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\n" ); document.write( "P(roll 4) = 1/6
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\n" ); document.write( "Expected # of 4 in 30 rolls = (1/6)*30 = 5
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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