Sample space) = n(S) = 364, Now, total workers who are not married = n(E) = 364 – 91 = 273, Method 1: So, P(not married) = n(E)/n(S) = 273/364 = 0.75, Method 2: P(married) + P(not married) = 1. These questions are in accordance with the NCERT curriculum prescribed by the CBSE board for the current academic session. In a throw of a die, find the probability of not getting 4 or 5. Answer. During the exams, students get less time to revise the whole chapter. Find the probability of the following events for a driver selected at random from the city: (iv) which value would you learn from above data ? Important questions for Class 9 Maths Chapter 15 Probability are available with solutions here for the final exam. A company selected 4000 households at random and surveyed them to find out a relationship between the level and the number of television sets in a home. Probability = Numbers of families having 1 girls/Total numbers of families, (iii)Numbers of families having no girls = 211 (i) no boy child It is given that coin is tossed 200 times Total number of trials = 200 LONG ANSWER TYPE QUESTIONS 100 plants were sown in six different colonies A, B, C, D, E, and E After 31 days, the number of plants survived as follows ; You can also … Yes, the sum of these probabilities is 1. Type III —> Romantic, Comedy and Family [NCERT Exemplar Problem] Is it correct? Number of chances of coming 2 heads = 72 therefore P(ablueball)= z /(x+y+z ), 10. NCERT Solutions for Class 6, 7, 8, 9, 10, 11 and 12. On checking the box, it was […] Register online for Maths tuition on Vedantu.com to score more marks in your examination. .-. Find the probability that a person chosen at random is : Answer. (i) used car and scooter only ? 2. 3. Faire des prévisions en utilisant les probabilités Réussissez 5 questions sur 7 pour passer au niveau supérieur ! A die was rolled 100 times and the number of times, 6 came up was noted. [NCERT Exemplar Problem] The topics and sub-topics in NCERT Solutions for Class 9 Maths Chapter 15 Probability are: VERY SHORT ANSWER TYPE QUESTIONS Probability Class 9 Notes are provided here at BYJU'S. Find the probability of getting an odd number. Total number of outcomes = 250 Answer. [NCERT Exemplar Problem] Justify your answer. [CBSE-14-ERFKZ8H] (ii) more than 0 but less than 4 defective books ? Answer. Two dice are thrown simultaneously 500 times. The table shows the marks obtained by a student in unit tests out of 50 : Hence, the number of prime occur = 3 14. Total children = 364 therefore Required probability=514 /642 =0.80, 12. [CBSE-15-6DWMW5A] [CBSE-14-ERFKZ8H], [CBSE-14-17DIG1U] Number of blue balls = z If the three coins are simultaneously tossed again, compute the probability of getting less than 3 tails. Question from very important topics are covered by NCERT Exemplar Class 9.You also get idea about the type of questions and method to answer in your Class 9th examination. [NCERT Exemplar Problem]. Total balls = x + y + z Question 1. Number of bags containing more than 5 kg of flour = 7, Therefore, the probability that any of the bags chosen at random contains more than 5 kg of flour = 7/11. What is the empirical probability that an engineer lives: (i) less than 7 km from her place of work? The given table shows the month of birth of 40 students of class IX of a particular section in a school. 4. (iii) more than 4 defective books ? Justify your answer. What is the probability that it has : Filed Under: CBSE, Class 9 Maths Tagged With: CBSE 9 Probability ., CBSE Class 9 Mathematics, CBSE Important Questions for Class 9 Mathematics, RD Sharma Class 11 Solutions Free PDF Download, NCERT Solutions for Class 12 Computer Science (Python), NCERT Solutions for Class 12 Computer Science (C++), NCERT Solutions for Class 12 Business Studies, NCERT Solutions for Class 12 Micro Economics, NCERT Solutions for Class 12 Macro Economics, NCERT Solutions for Class 12 Entrepreneurship, NCERT Solutions for Class 12 Political Science, NCERT Solutions for Class 11 Computer Science (Python), NCERT Solutions for Class 11 Business Studies, NCERT Solutions for Class 11 Entrepreneurship, NCERT Solutions for Class 11 Political Science, NCERT Solutions for Class 11 Indian Economic Development, NCERT Solutions for Class 10 Social Science, NCERT Solutions For Class 10 Hindi Sanchayan, NCERT Solutions For Class 10 Hindi Sparsh, NCERT Solutions For Class 10 Hindi Kshitiz, NCERT Solutions For Class 10 Hindi Kritika, NCERT Solutions for Class 10 Foundation of Information Technology, NCERT Solutions for Class 9 Social Science, NCERT Solutions for Class 9 Foundation of IT, PS Verma and VK Agarwal Biology Class 9 Solutions, Important Questions for CBSE Class 9 Mathematics Chapter 8 Probability, Chapter 4 Linear Equations in Two Variables, Chapter 5 Introduction to Euclid Geometry, Chapter 9 Areas of Parallelograms and Triangles, CBSE Important Questions for Class 9 Mathematics, NCERT Solutions for Class 10 Science Chapter 1, NCERT Solutions for Class 10 Science Chapter 2, Periodic Classification of Elements Class 10, NCERT Solutions for Class 10 Science Chapter 7, NCERT Solutions for Class 10 Science Chapter 8, NCERT Solutions for Class 10 Science Chapter 9, NCERT Solutions for Class 10 Science Chapter 10, NCERT Solutions for Class 10 Science Chapter 11, NCERT Solutions for Class 10 Science Chapter 12, NCERT Solutions for Class 10 Science Chapter 13, NCERT Solutions for Class 10 Science Chapter 14, NCERT Solutions for Class 10 Science Chapter 15, NCERT Solutions for Class 10 Science Chapter 16, CBSE Previous Year Question Papers Class 12, CBSE Previous Year Question Papers Class 10. 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