**Table shows marks of 90 students in mathematics test. **

## Ncert Math Solutions Class 9th Chapter 15 Probability Exercise 15.1 Question 5

**An organisation selected 2400 families at random and surveyed them to determine a relationship between income level and the number of vehicles in a family. The information gathered is listed in the table below:**

## Ncert Math Solutions Class 9th Chapter 15 Probability Exercise 15.1 Question 4

**Three coils are tossed simultaneously 200 times with the following frequencies of different outcomes:**

## Ncert Math Solutions Class 9th Chapter 15 Probability Exercise 15.1 Question 3

**In a particular section of class IX, 40 students were asked about the months of their birth and the following graph was prepared for the data so obtained:**

## Ncert Math Solutions Class 9th Chapter 15 Probability Exercise 15.1 Question 2

**1500 families with 2 children were selected randomly, and the following data were recorded:**

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