A recent survey shows that the ages of 200 workers in a factory is distributed as follows :

If a worker is selected at random , find the probability that the selected worker is
(i) 40 years or more
(ii) under 40 years
(iii) having an age from 30 to 39 years
(iv) under 60 but over 39 years .

A recent survey found that the edges ages of workers in a factory as follow. If a person is selected at random, find the probability that the person is

A recent survey found that the edges ages of workers in a factory as follow. If a person is selected at random, find the probability that the person is

The given table shows the ages (in years) of 360 patients, getting medical treatment in a hospital. One of the patients is selected at random. The probability that the selected patient's age is 30 year s or more but less than 40 years, is

The given table shows the ages (in years) of 360 patients, getting medical treatment in a hospital. One of the patients is selected at random. The probability that the selected patient's age is 10 years or more, is

The table given below shows the ages of 75 teachers in a school . A teacher from this school is chosen at random . What is the probability that the selected teacher is (i) 40 or more than 40 years old ? (ii) of an age lying between 30-39 (including both) ? (iii) 18 years or more old and 49 years or less ? (iv) 18 years or more old ? (v) above 60 years of age ?

Following are the ages (in years) of 300 patients, getting medical treatment in a hospital. One of the patients is selected at random. Find the probability that the age of the selected patient is 10 years or more.

Given below is the frequency distribution of wages: A worker is selected at random. Find the probability that his wages are: (i) less than Rs. 150 (ii) at least Rs. 210 (iii) more than or equal to 150 but less than Rs. 210.

Following are the ages (in years) of 360 patients , getting medical treatment in a hospital : One of the patients is selected at random What is the probability that his age is (i) 30 years or more but less than 40 years ? (ii) 50 years or more but less than 70 years ? (iii) 10 years or more but less than 40 years ? (iv) 10 years or more ? (v) less than 10 years ?

Following are the ages (in years) of 300 patients, getting medical treatment in a hospital. One of the patients is selected at random. Find the probability that the age of the selected patient is more than 70 years.