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A man take a step forward …

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A man take a step forward with probability 0.4 and backward with probability 0.5 .find the probability that at the end of 5 steps he is one step away from starting point?

    • Posted by Taniya Sharma 7 years, 9 months ago

    CBSE > Class 12 > Mathematics
    • 1 answers

    Prerna Pahwa 7 years, 9 months ago

    Man take three steps forward and two step backward P=5C3p^3q^2 where p:Probability step forwad=0.4 ,q=1-p. + 5C2p^2q^3 where p:Probability step backward=0.5,q=1-p. Put values and solve it

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