---------- Forwarded message ----------
From: bc100400104 Sidra Tahir <bc100400104@vu.edu.pk>
Date: Tue, Jun 14, 2011 at 12:01 AM
Subject:
To: attock-vu-group@googlegroups.com
From: bc100400104 Sidra Tahir <bc100400104@vu.edu.pk>
Date: Tue, Jun 14, 2011 at 12:01 AM
Subject:
To: attock-vu-group@googlegroups.com
plzzzzzzzzzzzzzzzz if any body provide me solutions of these questions.i want questions o these answers urgent.plzzzzzzzzzzzzzzzzzzzzzz help me tomorrow is last date.ok thse are questions:
b) A random variable 'x' is said to be uniformly distributed such that
(i) Write down the density function of 'x'
(ii) Prove that total area between the given limits is unity
d) A certain type of storage battery lasts on the average 3.0 years, with a standard deviation of 0.5 year. Assuming that the battery lives are normally distributed, find the probability that a given battery will last less than 2.3 years
e) The incident of occupational disease is such that the workers have 20 percent chance of suffering from it. What is the probability that out of six more than 4 workers will come in contact of the disease?
b) The p. d. f. of a random variable is given
f(x) = (2x-1) 1<x < 2
0 Elsewhere
Calculate P(X<1.5).
d) Find the value of A, such that the function f(x, y) is a density function.
(i) Write down the density function of 'x'
(ii) Prove that total area between the given limits is unity
d) A certain type of storage battery lasts on the average 3.0 years, with a standard deviation of 0.5 year. Assuming that the battery lives are normally distributed, find the probability that a given battery will last less than 2.3 years
e) The incident of occupational disease is such that the workers have 20 percent chance of suffering from it. What is the probability that out of six more than 4 workers will come in contact of the disease?
b) The p. d. f. of a random variable is given
f(x) = (2x-1) 1<x < 2
0 Elsewhere
Calculate P(X<1.5).
d) Find the value of A, such that the function f(x, y) is a density function.
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