A girl calculates the probability of her winning in a match is 0.08 what is the probability of her losing the game ___________

(a)

91%

(b)

8%

(c)

92%

(d)

80%

If the observations 1, 2, 3, ... 50 have the variance V₁ and the observations 51, 52, 53, ... 100 have the variance V₂ then \(\frac { { V }_{ 1 } }{ { V }_{ 2 } } \) is ___________

(a)

2

(b)

1

(c)

3

(d)

0

If the data is multiplied by 4, then the corresponding variances is get multiplied by ___________

(a)

4

(b)

16

(c)

2

(d)

None

Th4e batsman A is more consistent than batsman B if ___________

(a)

C.V of A > C.V of B

(b)

C.V of A < C.V of B

(c)

C.V of a =C.V of B

(d)

C.V of A≥C.V of B

A nuber x is chosen at random drom -4, -3, -2, -1, 0, 1, 2, 3, 4. The probability that \(\left| x \right| \le 3\) is ___________

(a)

\(\frac { 3 }{ 9 } \)

(b)

\(\frac { 4 }{ 9 } \)

(c)

\(\frac { 1 }{ 9 } \)

(d)

\(\frac { 7 }{ 9 } \)