R rajibsarkar New Member Mar 30, 2009 #1 Mar 30, 2009 #1 The probability distribution of a finite random variable x is given by the following table xi –2 –1 0 1 2 3 P(xi) 0.1 k 0.2 2k 0.3 k what to do with this question? I am not able to understand how to proceed ??

The probability distribution of a finite random variable x is given by the following table xi –2 –1 0 1 2 3 P(xi) 0.1 k 0.2 2k 0.3 k what to do with this question? I am not able to understand how to proceed ??

R rajibsarkar New Member Mar 30, 2009 #2 Mar 30, 2009 #2 The probability distribution of a finite random variable x is given by the following table xi –2 –1 0 1 2 3 P(xi) 0.1 k 0.2 2k 0.3 k what to do with this question? I am not able to understand how to proceed ??[/QUOTE]

The probability distribution of a finite random variable x is given by the following table xi –2 –1 0 1 2 3 P(xi) 0.1 k 0.2 2k 0.3 k what to do with this question? I am not able to understand how to proceed ??[/QUOTE]

S Sujeesh New Member Mar 31, 2009 #3 Mar 31, 2009 #3 rajibsarkar said: The probability distribution of a finite random variable x is given by the following table xi –2 –1 0 1 2 3 P(xi) 0.1 k 0.2 2k 0.3 k what to do with this question? I am not able to understand how to proceed ?? Click to expand... Since it is a probablity distribution,the total probability is 1 the question is to find the unknown k( which is not specified) ie .1+k+.2+2k+.3+k=1 find K by solving this.

rajibsarkar said: The probability distribution of a finite random variable x is given by the following table xi –2 –1 0 1 2 3 P(xi) 0.1 k 0.2 2k 0.3 k what to do with this question? I am not able to understand how to proceed ?? Click to expand... Since it is a probablity distribution,the total probability is 1 the question is to find the unknown k( which is not specified) ie .1+k+.2+2k+.3+k=1 find K by solving this.

E Eleni Hadjigeorgiou New Member Apr 4, 2009 #5 Apr 4, 2009 #5 What is the sample size for the test-retest reliability.