A man takes a step forward with probabil...

A man takes a step forward with probability `0.4` and backward with probability `0.6`. The probability that at the end of eleven steps he is just one step away from the starting point, is

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A man takes a step forward with probability 0.4 and backward with probability 0.6. Find the probability that at the end of 5 steps,he is one step away from the starting point.

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ARIHANT MATHS-PROBABILITY-Exercise (Questions Asked In Previous 13 Years Exam)

A man takes a step forward with probability 0.4 and backward with prob...
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A person goes to office either by car, scooter, bus or train probabili...
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A six faced fair die is thrown until 1 comes. Then , the probability t...
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Let A and B be two events such that Poverline((AcupB))=(1)/(6),P(AcapB...
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Three houses are available in a locality. Three persons apply for the ...
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A randam variable X has Poisson's distribution with mean 2. Then , P(X...
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There are n urns each containing (n+1) balls such that ith urn contain...
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In a telephone enquiry system, the number of phone calls regarding rel...
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One Indian and four American men and their wives are to be seated rand...
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Let H1, H2,..., Hn be mutually exclusive events with P (Hi) > 0, i = ...
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Let E^c denote the complement of an event E. Let E,F,G be pairwise ind...
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A pair of fair dice is thrown independently three times. The probab...
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Two aeroplanes I and II bomb a target in succession. The probabilit...
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An experiment has 10 equally likely outcomes. Let A and B be two non-e...
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Consider the system of equations ax + by = 0; cx + dy = 0, where a, b,...
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A die is thrown. Let A be the event that the number obtained is gre...
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It is given that the events A and B are such that P(A)=(1)/(4),P((A)/(...
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A fair die is tossed repeatedly until a six is obtained Let X denote t...
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A fair die is tossed repeated until a six is obtained. Let X denote th...
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A fair die is tossed repeatedly until a six obtained. Let X denote the...
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In a binomial distribution B(n , p=1/4) , if the probability of at lea...
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