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Recent questions tagged c10
Questions
The probability distribution of a random variable $x$ is given below: \[\] $\begin{array} {llllllll} \textbf{X:}& 0& 1& 2& 3 \\ \textbf{P(X=x):}& 0.1& 0.3 &0.5& 0.1& \end{array}$\[\] If $Y=X^{2}+2X$ find the mean and variance of $Y$.
tnstate
class12
bookproblem
c10
sec-1
exercise10-2
p211
q6
modelpaper
jun-2008
asked
Apr 20, 2013
by
poojasapani_1
1
answer
A discrete random variable $x$ has the following probability distribution. Find the value of $a$ \[\] $\begin{array} {llllllll} X:& 0& 1& 2& 3& 4& 5& 6& 7& 8 &\\ {P(X):}& a& 3a &5a& 7a& 9a &11a &13a &15a&17a \end{array}$
tnstate
class12
bookproblem
c10
sec-1
exercise10-1
p203
q4
q4-1
modelpaper
mar-2007
asked
Apr 18, 2013
by
poojasapani_1
0
answers
A discrete random variable $x$ has the following probability distributioxs.Find $p(x<3)$\[\]$\begin{array} {llllllll} X:& 0& 1& 2& 3& 4& 5& 6& 7& 8 &\\ {P(X):}& a& 3a &5a& 7a& 9a &11a &13a &15a&17a \end{array}$
tnstate
class12
bookproblem
c10
sec-1
exercise10-1
p203
q4
q4-2
modelpaper
mar-2007
asked
Apr 18, 2013
by
poojasapani_1
1
answer
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