Question

Q5 The following data relate to the distribution of salary of a group of employee:
Salary in *31000: 30-40 40-50 50-60 60-70 70-80 80-90 90-100
No. of workers: 12 23
24
32 19 11
8
If an employee is selected at random from the entire group of employees,
what is the probability that
(a) his Salary would be less than 3 30,000?​

Answer 1

Answer:

total no of employment is 7

mean 12 23 24 32 19 11

one group of salary is 31000

his salary won't less than 3 30.000 because 7 no of work is

if we may divide