The ages of 80 employees of a company are as follows- Age Frequency- 0-20 15- 20-40 36- 40-60 13- 60- 16- - Find the probability that an employee chosen at random will be aged between 20 and 40 years-

Total number of employees = 80 Number of employees nbsp;aged between 20 and 40 years = 36 Hence, the probability that an employee chosen at random will be a ...

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Byju's Answer

Standard VII

Mathematics

Notion of chance or probability

The ages of 8...

Question

The ages of 80 employees of a company are as follows.

$\begin{matrix} A g e & F r e q u e n c y 0 - 20 & 15 20 - 40 & 36 40 - 60 & 13 60 + & 16 \end{matrix}$

Find the probability that an employee chosen at random will be aged between 20 and 40 years.

Open in App

Solution

Total number of employees = 80
Number of employees aged between 20 and 40 years = 36

Hence, the probability that an employee chosen at random will be aged between 20 and 40 years
$= \frac{36}{80} = 0.45.$

Suggest Corrections

Similar questions

The ages of 80 employees of a company are as follows.

$\begin{matrix} A g e & F r e q u e n c y 0 - 20 & 15 20 - 40 & 36 40 - 60 & 13 60 + & 16 \end{matrix}$

Find the probability that an employee chosen at random will be aged between 20 and 40 years.

Q. The ages of 100 moviegoers are recorded as below:

Find the probability of the moviegoers between the age group of 40 to 50.

Calculate the mean and median for the following continuous frequency distribution.

$\begin{matrix} Class & f_{i} 0 - 10 & 6 10 - 20 & 8 20 - 30 & 20 30 - 40 & 25 40 - 50 & 15 50 - 60 & 10 60 - 70 & 4 \end{matrix}$

Q. In a hospital, the ages of diabetic patients were recorded as follows. Find the median age. [CBSE 2014]

Age (in years)	0−15	15−30	30−45	45−60	60−75
Number of patients	5	20	40	50	25

Q. Find the average age of 500 people in a town.

Age (in Years)	0-10	10-20	20-30	30-60	60-90
No. of people	50	90	200	120	40

Join BYJU'S Learning Program

The ages of 80 employees of a company are as follows. AgeFrequency0−201520−403640−601360+16 Find the probability that an employee chosen at random will be aged between 20 and 40 years.

Total number of employees = 80 Number of employees aged between 20 and 40 years = 36 Hence, the probability that an employee chosen at random will be aged between 20 and 40 years =3680=0.45.

The ages of 80 employees of a company are as follows.

$\begin{matrix} A g e & F r e q u e n c y 0 - 20 & 15 20 - 40 & 36 40 - 60 & 13 60 + & 16 \end{matrix}$

Find the probability that an employee chosen at random will be aged between 20 and 40 years.

Total number of employees = 80
Number of employees aged between 20 and 40 years = 36

Hence, the probability that an employee chosen at random will be aged between 20 and 40 years
$= \frac{36}{80} = 0.45.$