1
GATE CE 2007
MCQ (Single Correct Answer)
+1
-0.3
If the standard deviation of the speed of vehicles in a highway is $$8.8$$ kmph and the mean speed of the vehicles is $$33$$ kmph, the coefficient of variation in speed is
A
$$0.1517$$
B
$$0.1867$$
C
$$0.2666$$
D
$$0.3646$$
2
GATE CE 2003
MCQ (Single Correct Answer)
+1
-0.3
A box contains $$10$$ screws, $$3$$ of which are defective. Two screws are drawn at random with replacement. The probability that none of the two screws is defective will be
A
$$100$$%
B
$$50$$%
C
$$49$$%
D
none
GATE CE Subjects
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12