9. A couple has two children one of them is known to be a boy. What is the probability that
they have two boys ?
५) ण = o 2 2) 3
@ 7 ® 3 இ ‏رھ‎
‎⋅ ⋅ ⊽⋅∖∣−⊒↴
↕∅∙⊺⇂↰∊∊⋊⇪∁⊂↾∊⊏⊴∇∂∣∐⋜∘≸⋔∊↾∃⋯∃∘⋯∇∂∏∂↴↿−∣∈⋊↕↿∄⋁⋯⊑∥∼∣⊖⇂↰↳↿≸∫≼↽⊓∶ ∱∘⊓⊏−∙−↕∣∘∣⋅↓∣∍
15:
A L 83 ಟ್ರ த்‌ 0 =
@ ®) ೩. (५ -
11. Which of the following cannot be a moment generating function ?
த ಸ யஸ்ய 15
(77 இ © e (ए) 0+९
12. Which of the following methods is are used for the computation of consumer price index
numbers ?
(^) Aggregate expenditure method (8) Family budget method
(9) Chain base method (D) Both (A) and (B)
13. Which ministry in India is responsible for compiling Wholesale Price Index ?
(ക) Labour (8) Commerce and Industry
(() MoSr1 (D) TFinance
14. The salary of a person in the base year is ¥ 20,000 per month and in the current year
₹ 50,000, 1 the current Consumer Price Index is 325 then the allowance required to maintain
the same standard of living is :
(ക) ₹ 30,000 (B) ₹ 35,000 (೮) ₹ 15,000 (D) None of these
15. Suppose a family spends on food, housing and clothing in the ratio 5: 3 : 2. If there is a rise
in prices of these heads by 40, 30 and 20 percent respectively, then the family budget for
these items will be increased by :
(A) 33% (B) 30% (0) 25% (D) None of these
16. If the two lines of regression are x+2y—5=0and 2x +3y -8 =0 then the correlation between
‏وٹ‎ 1 15 :
V3 3 4 3
ಬ = இ i D) =5
160/2015 4 A