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Probability — MATHS STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceMATHSProbability5 Marks
Question
Match the proposed probability under Column C1 with the appropriate written description under column C2:
C1
C2
Probability
Written Description.
a.
0.95
i.
An incorrect assignment.
b.
0.02
ii.
No chance of happening.
c.
-0.3
iii.
As much chance of happening as not.
d.
0.5
iv.
Very likely to happen.
e.
0
v.
Very little chance of happening.
✓

Answer

C1
C2
Probability
Written Description.
a.
0.95
iv.
Very likely to happen.
b.
0.02
v.
Very little chance of happening.
c.
-0.3
i.
An incorrect assignment.
d.
0.5
iii.
As much chance of happening as not.
e.
0
ii.
No chance of happening.
Solution:
  1. 0.95 = Very likely to happen, so it is close to 1.
  2. 0.02 = Very little chance of happening as the probability is very low.
  3. -0.3 = an incorrect assignment because probability is never negative.
  4. 0.5 = As much chance of happening as not because sum of chances of happening and not happening is one.
  5. 0 = No chance of happening.

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