Qa - poisson distribution

Discussion in 'CPT' started by lavanya, Jan 10, 2014.

  1. lavanya

    lavanya Member

    Please help me with these. A car hire firm has 2 cars which is hired out every day. The number of demands for a car on each day follows Poisson distribution with mean 1.20. What is the proportion of days on which some demand is refused? [ Given e^1.2 = 3.32] a) 0.25 b) 0.3012 c) 0.12 d) 0.03 The number of accidents in a year is attributed to taxi drivers in a locality follows poisson distribution with an average 2. Out of 500 taxi drivers of that area, what is the number of drivers with at least 3 accidents in a year? a) 162 b) 180 c) 201 d) 190

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