Dr. Sanjeev Verma and R.K. Tyagi Solutions for Chapter: Data Handling, Exercise 5: CHAPTER-END EXERCISES

If an outcome is more likely to happen, it is said to have poor change.

If two coins are tossed simultaneously, then find the probability of getting one head and one tail is _____.

Following are the marks obtained by $20$ students (out of $50$) in an examination:

$36, 27, 45, 40, 32, 48, 30, 50, 49, 28, 46, 32, 34, 40, 25, 15, 13, 20, 10, 40$

Find the mean marks.

A coin is flipped to decide which team starts the game. What is the probability that your team will start the game $?$

 In a distribution of heights of $30$ students, the lowest height is $130 \mathrm{cm}$ and the highest height is $162 \mathrm{cm}$. What is the range of this distribution?
 

If the heights of $5$ persons are $164 cm, 152 cm, 171 cm, 158 cm \text{and} 155 cm$ respectively, then find the mean height.

A coin is tossed $300$ times, and we get head $136$ times and tail $164$ times. When a coin is tossed at random, what is the probability of getting (i) a head (ii) a tail?

A die is tossed $80$ times and the number $3$ is obtained $14$ times. Now, a die is tossed at random. Find the probability of getting the number $3$.