NCERT Solutions Class 9 Mathematics Chapter 15 Probability
Exercise 15.1 Q.1) In a cricket match, a batswoman hits a boundary 6 times out of 30 balls she plays. Find the probability that she did not hit a boundary. Sol.1) Let 𝐸 be the event of hitting the boundary Then 𝑃(𝐸) = 𝑁𝑢𝑚𝑏𝑒𝑟 𝑜𝑓 𝑡ℎ𝑒 𝑡𝑖𝑚𝑒𝑠 𝑏𝑎𝑡𝑤𝑜𝑚𝑎𝑛 ℎ𝑖𝑡𝑠 𝑡ℎ𝑒…
CBSE Class 9 Maths Probability MCQs
Question. There are 25 cards numbered from 1 to 25. One card is drawn at random. What is the probability that the number on this card is not divisible by 3? (A) 6/25 (B) 17/25 (C) 19/25 (D) 11/25 Answer : B Question. The given table shows the ages (in years)…
CBSE Class 9 Mathematics Probability Worksheet Set C
CBSE Class 9 Mathematics Worksheet - Probability (1) Worksheets have become an integral part of the education system. Worksheets are very critical for every student to practice his/ her concepts. Students, teachers and parents can download all CBSE educational…
CBSE Class 9 Mathematics Probability Notes Set A
Chapter 15 Probability Chapter Notes Top Definitions 1. Probability is a quantitative measure of certainty. 2. Any activity associated to certain outcome is called an experiment. e.g. (i) tossing a coin (ii) throwing a dice (ii) selecting a card. 3. A trial is…
CBSE Class 9 Mathematics Probability Set A
1 In an experiment, what is the sum of probabilities of all events? (A) 0.5 (B) 1 (C) - 2 (D) 3/8 Answer : B 2 In a throw of a die, what is the probability of getting a prime number? (A) 2 (B) 1/2 (C) 3/2 (D) 6 Answer : B 3 Find the probability that a vowel…
CBSE Class 9 Mathematics Probability Worksheet Set B
Question. The given table shows the ages (in years) of 360 patients, getting medical treatment in a hospital. Age (in years) 10-20 20-30 30-40 40-50 50-60 60-70 No. of patients 90 50 60 80 50 30 One of the…
CBSE Class 9 Mathematics Probability VBQs
Question. 1500 families with 2 children were selected randomly, and the following data were recorded— No. of girls in a family 2 1 0 No. of families …
CBSE Class 9 Mathematics Probability Set B
Question : In a cricket math, a batswoman hits a boundary 6 times out of 30 balls she plays. Find the probability that she did not hit a boundary. Answer: Number of times the batswoman hits a boundary = 6 Total number of balls played = 30 Number of times that the…
CBSE Class 9 Mathematics Probability Set C
Very Short Answer Type Questions Question. The following data represents the number of girls in a family. No. of children who like cricket 2 1 0 Number of families 475 514 11 A family is chosen at random. Find the probability…
CBSE Class 9 Mathematics Probability Notes Set B
CBSE Basic Concepts on Probability. Prepared by HOD Mathematics of one of the best CBSE schools in Delhi. Based on CBSE and CCE guidelines. The students should read these basic concepts to gain perfection which will help him to get more marks in CBSE…
CBSE Class 9 Mathematics Probability Set D
Question : In a cricket math, a batswoman hits a boundary 6 times out of 30 balls she plays. Find the probability that she did not hit a boundary. Answer: Number of times the batswoman hits a boundary = 6 Total number of balls played = 30 Number of times that the batswoman…
CBSE Class 9 Mathematics Probability Set E
Question : A teacher wanted to analyse the performance of two sections of students in a mathematics test of 100 marks. Looking at their performances, she found that a few students got under 20 marks and a few got 70 marks or above. So she decided to group them into intervals…
CBSE Class 9 Mathematics Probability Set F
CBSE assignment on Probability. Prepared by HOD Mathematics of one of the CBSE best schools in Delhi. Based on CBSE and CCE guidelines. The students should practice these assignments to gain perfection which will help him to get more marks in CBSE examination.
CBSE Class 9 Mathematics Probability Set G
CBSE assignment on Probability. Prepared by HOD Mathematics of one of the CBSE best schools in Delhi. Based on CBSE and CCE guidelines. The students should practice these assignments to gain perfection which will help him to get more marks in CBSE examination.
CBSE Class 9 Mathematics Probability Set H
CBSE assignment on Probability. Prepared by HOD Mathematics of one of the CBSE best schools in Delhi. Based on CBSE and CCE guidelines. The students should practice these assignments to gain perfection which will help him to get more marks in CBSE examination.