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Recent questions tagged p203

A discrete random variable X has the following probability distributions (see table below). (iii) Find P(3 < x < 7)

asked Sep 16, 2013 by sreemathi.v

1 answer

A discrete random variable X has the following probability distributions (see table below). (ii) Find P(x < 3)

asked Sep 16, 2013 by sreemathi.v

1 answer

A discrete random variable $x$ has the following probability distribution. Find the value of $a$ \[\] $\begin{array} {llllllll} X:& 0& 1& 2& 3& 4& 5& 6& 7& 8 &\\ {P(X):}& a& 3a &5a& 7a& 9a &11a &13a &15a&17a \end{array}$

asked Apr 18, 2013 by poojasapani_1

0 answers

A discrete random variable $x$ has the following probability distributioxs.Find $p(x<3)$\[\]$\begin{array} {llllllll} X:& 0& 1& 2& 3& 4& 5& 6& 7& 8 &\\ {P(X):}& a& 3a &5a& 7a& 9a &11a &13a &15a&17a \end{array}$

asked Apr 18, 2013 by poojasapani_1

1 answer

A discrete random variable $x$ has the following probability distributioxs. Find$ p(3$$<$$x$$<$$7)$\[\]$\begin{array} {llllllll} X:& 0& 1& 2& 3& 4& 5& 6& 7& 8 &\\ {P(X):}& a& 3a &5a& 7a& 9a &11a &13a &15a&17a \end{array}$

asked Apr 18, 2013 by poojasapani_1

1 answer

True-or-False: The differential equation of all non horizontal lines in a plane is $\large\frac{d^2y}{dy^2}$$=0$.

asked Jan 21, 2013 by sreemathi.v

1 answer

True-or-False: Solution of $x\frac{dy}{dx} - y = x\tan\frac{y}{x}$ is $\sin\bigg(\frac{y}{x}\bigg)=kx$.

asked Jan 21, 2013 by sreemathi.v

1 answer

True-or-False: The solution of the differential equation $\large\frac{dy}{dx} = \frac{x+2y}{x}$ is $x+y=kx^2$.

asked Jan 21, 2013 by sreemathi.v

1 answer

True-or-False: Differential equation representing the family of curves $y=e^x(A\cos x+B\sin x)$ is $\frac{d^2y}{dx^2} - 2\frac{dy}{dx} + 2y = 0$.

asked Jan 21, 2013 by sreemathi.v

1 answer

True-or-False: The solution of $\large\frac{dy}{dx}$$=\bigg(\large\frac{y}{x}\bigg)^\frac{1}{3}$ is $y^{\large\frac{2}{3}}-x^{\large\frac{2}{3}}=c$.

asked Jan 20, 2013 by sreemathi.v

1 answer

True-or-False: The differential equation representing the family of circles $x^2+(y-a)^2=a^2$ will be of order two.

asked Jan 20, 2013 by sreemathi.v

1 answer

True-or-False: Number of arbitrary constant in the particular solution of a differential equation of order two is two.

asked Jan 20, 2013 by sreemathi.v

1 answer

True-or-False: Correct substitution for the solution of the differential equation of the type $\large\frac{dx}{dy}$$=g(x,y)$,where $g(x,y)$ is a homogeneous function of zero degree is $x=vy.$

asked Jan 20, 2013 by sreemathi.v

1 answer

A discrete random variable X has the following probability distributions (see table below). (i) Find the value of a

asked Nov 27, 2012 by balaji.thirumalai

1 answer

Two bad oranges are accidentally mixed with ten good ones. Three oranges are drawn at random without replacement from this lot. Obtain the probability distribution for the number of bad oranges. and find the expected value of the distribution.

asked Nov 27, 2012 by balaji.thirumalai

1 answer

Two cards are drawn successively without replacement from a well shuffled pack of 52 cards. Find the probability distribution of the number of queens.

asked Nov 27, 2012 by balaji.thirumalai

1 answer

Find the probability distribution of the number of sixes in throwing three dice once.

asked Nov 27, 2012 by balaji.thirumalai

1 answer

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