document.write( "Question 871970: (III) Three coins are tossed,
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\n" ); document.write( "(d) Find the probability that at most four head is tossed
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Algebra.Com's Answer #525840 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi
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document.write( "Three coins are tossed
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document.write( "(a) Determine the number of points in the sample space:  = 8
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document.write( "(b) Construct a tree diagram and list the sample space
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document.write( "HHH, HHT,HTH, THH, TTT, TTH, HTT, THT
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document.write( "(c) P( least two heads are tossed)= P(2) + P(3) =  3/8 + 1/8 = 4/8 = 1/2
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document.write( "(d) P(≤ four head is tossed) = 1 = P(0) + P(1) + P(2) + P(3) \n" );
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