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18. In Class XI of a school 40% of the students study Mathematics and 30% study Biology. 10% of the class study both Mathematics and Biology. If a student is selected at random from the class, find the probability that he will be studying Mathematics or Biology.
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Nov
18. In Class XI of a school 40% of the students study Mathematics and 30% study Biology. 10% of the class study both Mathematics and Biology. If a student is selected at random from the class, find the probability that he will be studying Mathematics or Biology. 18. In Class XI of a school 40% [...]
17. A and B are events such that P(A) = 0.42, P(B) = 0.48 and P(A and B) = 0.16. Determine (i) P(not A), (ii) P(not B) and (iii) P(A or B)
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Nov
17. A and B are events such that P(A) = 0.42, P(B) = 0.48 and P(A and B) = 0.16. Determine (i) P(not A), (ii) P(not B) and (iii) P(A or B) (ii) P(not B) and (iii) P(A or B) 17. A and B are events such that P(A) = 0.42 P(B) = 0.48 and [...]
16. Events E and F are such that P(not E or not F) = 0.25, State whether E and F are mutually exclusive.
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Nov
16. Events E and F are such that P(not E or not F) = 0.25, State whether E and F are mutually exclusive. 16. Events E and F are such that P(not E or not F) = 0.25 State whether E and F are mutually exclusive. November 5, 2021 Category: Chapter 16 - Probability , [...]
15. If E and F are events such that P(E) = 1/4 , P(F) =1/2 and P(E and F) = 1/8 , find (i) P(E or F), (ii) P(not E and not F)
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Nov
15. If E and F are events such that P(E) = 1/4 , P(F) =1/2 and P(E and F) = 1/8 , find (i) P(E or F), (ii) P(not E and not F) (ii) P(not E and not F) 15. If E and F are events such that P(E) = 1/4 find (i) P(E or [...]
14. Given P(A) = 3/5 and P(B) = 1/5 . Find P(A or B), if A and B are mutually exclusive events.
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Nov
14. Given P(A) = 3/5 and P(B) = 1/5 . Find P(A or B), if A and B are mutually exclusive events. 14. Given P(A) = 3/5 and P(B) = 1/5 . Find P(A or B) if A and B are mutually exclusive events. November 5, 2021 Category: Chapter 16 - Probability , Maths , [...]
13. Fill in the blanks in following table: (iii) 0.5 0.35 . . . 0.7
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Nov
13. Fill in the blanks in following table: (iii) 0.5 0.35 . . . 0.7 13. Fill in the blanks in following table: (iii) 0.5 0.35 . . . 0.7 November 5, 2021 Category: Chapter 16 - Probability , Maths , NCERT Exemplar Class 11 ,
13. Fill in the blanks in following table: (ii) 0.35 . . . 0.25 0.6
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Nov
13. Fill in the blanks in following table: (ii) 0.35 . . . 0.25 0.6 13. Fill in the blanks in following table: (ii) 0.35 . . . 0.25 0.6 November 5, 2021 Category: Chapter 16 - Probability , Maths , NCERT Exemplar Class 11 ,
13. Fill in the blanks in following table: (i) 1/3 1/5 1/15 . . .
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Nov
13. Fill in the blanks in following table: (i) 1/3 1/5 1/15 . . . 13. Fill in the blanks in following table: (i) 1/3 1/5 1/15 . . . November 5, 2021 Category: Chapter 16 - Probability , Maths , NCERT Exemplar Class 11 ,
12. Check whether the following probabilities P(A) and P(B) are consistently defined (ii) P(A) = 0.5, P(B) = 0.4, P(A ∪ B) = 0.8
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Nov
12. Check whether the following probabilities P(A) and P(B) are consistently defined (ii) P(A) = 0.5, P(B) = 0.4, P(A ∪ B) = 0.8 12. Check whether the following probabilities P(A) and P(B) are consistently defined (ii) P(A) = 0.5 P(A ∪ B) = 0.8 P(B) = 0.4 November 5, 2021 Category: Chapter 16 - [...]
12. Check whether the following probabilities P(A) and P(B) are consistently defined (i) P(A) = 0.5, P(B) = 0.7, P(A ∩ B) = 0.6
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Nov
12. Check whether the following probabilities P(A) and P(B) are consistently defined (i) P(A) = 0.5, P(B) = 0.7, P(A ∩ B) = 0.6 12. Check whether the following probabilities P(A) and P(B) are consistently defined (i) P(A) = 0.5 P(A ∩ B) = 0.6 P(B) = 0.7 November 5, 2021 Category: Chapter 16 - [...]