मराठी

C1Probability C2Written 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 happe

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प्रश्न

C1
Probability
C2
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
जोड्या लावा/जोड्या जुळवा
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उत्तर

C1
Probability
C2
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

Explanation:

(i) 0.95 = Very likely to happen, so it is close to 1.

(ii) 0.02 = Very little chance of happening as the probability is very low.

(iii) – 0.3 = an incorrect assignment because probability is never negative.

(iv) 0.5 = as much chance of happening as not because sum of chances of happening and not happening is one.

(v) 0 = no chance of happening.

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पाठ 16: Probability - Exercise [पृष्ठ ३०२]

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एनसीईआरटी एक्झांप्लर Mathematics [English] Class 11
पाठ 16 Probability
Exercise | Q 42 | पृष्ठ ३०२

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संबंधित प्रश्‍न

A coin is tossed twice, what is the probability that at least one tail occurs?


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  1. A prime number will appear,
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  3. A number less than or equal to one will appear,
  4. A number more than 6 will appear,
  5. A number less than 6 will appear.

A fair coin with 1 marked on one face and 6 on the other and a fair die are both tossed. Find the probability that the sum of numbers that turn up is (i) 3 (ii) 12


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Check whether the following probabilities P(A) and P(B) are consistently defined

P(A) = 0.5, P(B) = 0.4, P(A ∪ B) = 0.8


Fill in the blank in following table:

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0.5 0.35 .... 0.7

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Which of the cannot be valid assignment of probability for elementary events or outcomes of sample space S =  {w1w2w3w4w5w6w7}:

Elementary events: w1 w2 w3 w4 w5 w6 w7
(ii)
\[\frac{1}{7}\]
\[\frac{1}{7}\]
\[\frac{1}{7}\]
\[\frac{1}{7}\]
\[\frac{1}{7}\]
\[\frac{1}{7}\]
\[\frac{1}{7}\]

Which of the cannot be valid assignment of probability for elementary events or outcomes of sample space S =  {w1w2w3w4w5w6w7}:

Elementary events: w1 w2 w3 w4 w5 w6 w7
(iii) 0.7 0.06 0.05 0.04 0.03 0.2 0.1

Which of the cannot be valid assignment of probability for elementary events or outcomes of sample space S =  {w1w2w3w4w5w6w7}:

Elementary events: w1 w2 w3 w4 w5 w6 w7
(iv)
\[\frac{1}{14}\]
\[\frac{2}{14}\]
\[\frac{3}{14}\]
\[\frac{4}{14}\]
\[\frac{5}{14}\]
\[\frac{6}{14}\]
\[\frac{15}{14}\]

A box contains 100 bulbs, 20 of which are defective. 10 bulbs are selected for inspection. Find the probability that all 10 are good


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