Vaishali Bhatia and Rupesh Pathak Solutions for Chapter: Data Handling and Probability, Exercise 9: Unit Test Paper 2

The number of road accidents reported in a city in the months of a year are: $56, 28, 90, 15, 73, 81, 60, 23, 45, 36, 51$and $77$. Calculate the mean and range for the given data.

There are $10$ marbles in a box. They are numbered from $1$to $10$. What is the probability of drawing a marble with an even number.

There are $10$ marbles in a box. They are numbered from $1$to $10$. What is the probability of drawing a marble with a prime number.

There are $10$ marbles in a box. They are numbered from $1$to $10$. What is the probability of drawing a marble with a number greater than $7$.

Number of students in seven classes of a school is given below

Represent the data on a bar graph

Find the probability of drawing out a red card from a well-shuffled pack of $52$ cards.

Find the probability of drawing out a king card from a well-shuffled pack of $52$ cards.

Find the probability of drawing a face card from a well-shuffled pack of $52$ playing cards?