Download OU B.Sc 2017 Dec 1st Semester 7007 Statistics Descriptive Statistics & Probability Question Paper

Download OU (Osmania University)B.Sc (Bachelor of Science Maths, Electronics, Statistics, Computer Science, Biochemistry, Chemistry & Biotechnology) 2017 Dec 1st Semester 7007 Statistics Descriptive Statistics & Probability Previous Question Paper

Code No. 7007
FACULTY-OF SCIENCE
330. I-Semester (CBCS?Examination, December 2017
\ Subject: Statistics
? nger- I: Descriptive Statistics and Probability
"
Max. Marks: 80
l-T'PART ? A (5 x 4 = 20 Marks)
a (Short AHSWer Type) 7;?
{gany FIVE of the following quisfous?m
A. pw.
? .r 51-.
' .. n for mutualindependenoe for 4 eveA
? ?c de?nition 6f probability.
?bility mass functi?n (ii) Prob ility density function
b)= a Var (x), where a and b are constants.
-W'
.557; ucyb-Schx wa r7
' 8 7 le isfahdorh variabl?, than v
4 x 15 = 60 Marks) ?5
.? "V'T?i (
O
\?i
l'/',
A. . 5?
?a
/
.sn?a -??Need tral moments interms of Raw moments.
four moments.
dition theorem of probability for 4 events.
_ . 0R
" B are independent, then show that A and B are independent.
,' re and prove Bayes theorem. Give its importance.
9,17: 2 "
p e Vi?dom variable. Ajragdom variable X has the fol|owing pmf.
? 2 3 4 5 6 7
' k 2k 2k 3k k2 2k2 7k2+k
OR

Code No. 7007/5
"?%tion.
NE]? we sum of number of