Firstranker's choice
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otribution, rep I
t, 15 record players are selected at random. examined are not pul back. What is the
N :.::o lhl': and the last defective.
' ory less property of geometric distribution
5 Mmun of a normal distribution is 60 and 6% of the values are greater than 70.
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the standard deviation. P [0 < z < 1.56] = 0.44*
Obtain the mean and variance of exponential distribution.
Define
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Beta distribution of first kind and find its n.
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Cauchy distribution. Give its application.
PART - B (4 x 15 = 60 Marks)
(Essay Answer Type) -
9 (a) Define Binomial distribution and derive its mean and mode.
OR
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(b) Obtain B1 & P for a Poisson distribution. Also comment on its skewness and kurtosis.
10 (a) Define Hypergeometric distribution, Derive its mean and variance
OR
(b) Poisson distribution as a limiting case of negative Binomial distribution
11 (a) Find standard deviation, mean deviation about mean and quartile deviation for normal distribution
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OR
(b) Show that normal distribution is a limiting case of Binomial distribution
12 (a) Define Gamma distribution. Obtain its moment generating function and hence find its mean and variance
OR
(b) Derive moment generating function of Exponential distribution Show that the sum of exponential random variables is a gamma random variable
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This download link is referred from the post: OU B-Sc Last 10 Years 2010-2020 Question Papers || Osmania University
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