document.write( "Question 868940: If a hedgehog crosses a certain road before 7.00 a.m., the probability of being run over is 1/10. After 7.00a.m., the corresponding probability is 3/4. The probability of the hedgehog waking up early enough to cross before 7.00 a.m., is 4/5. What is the probability of the following events:
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\n" ); document.write( "(c) the hedgehog waking up late and crossing the road in safety
\n" ); document.write( "(d) the hedgehog waking up early and being run over
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Algebra.Com's Answer #523925 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!


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document.write( "Hi
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document.write( "Interesting :) 
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document.write( "Before 7am: P(awake = 4/5 = .8), P(hit) = .10, P(hit after7) = .75
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document.write( "(a) the hedgehog waking up too late to reach the road before 7.00 a.m.  0r 20%
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document.write( " (b) the hedgehog waking up early and crossing the road in safety 
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document.write( " (c) the hedgehog waking up late and crossing the road in safety 
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document.write( " (d) the hedgehog waking up early and being run over 
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document.write( " (e) the hedgehog crossing the road in safety.  \n" );
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