Question

Following are the ages (in years) of 360 patients getting medical treatment in a hospital.



Age (in years) 10-20 20-30 30-40 40-50 50-60 60-70

No. of patients 90 50 60 80 50 30

Find the probability that one of the of the patients is selected at random is;



i) 30 years or more but less than 40 years.

ii) 50 years or more but less than 70 years

iii) less than 10 years



iv) 10 years or more​

Answer 1

Answer:

the people will be treated free