Assignment:
The following frequency distribution shows the ages of India's 40 richest individuals. One of these individuals is selected at random.
| Ages |
Frequency |
| 30 up to 40 |
3 |
| 40 up to 50 |
8 |
| 50 up to 60 |
15 |
| 60 up to70 |
9 |
| 70 up to 80 |
5 |
a. What is the probability that the individual is between 50 and 60 years of age?
b. What is the probability that the individual is younger than 50 years of age?
c. What is the probability that the individual is at least 60 years of age?
Provide complete and step by step solution for the question and show calculations and use formulas.