A grocery store employs 15 cashiers, 25 stock clerks, and 10 delivery personnel. Among them, 10 cashiers, 10 stock clerks, and 5 delivery personnel are married. If an employee is selected at random, find the probability that the employee is not married.

0.5 or 50%

Step-by-step explanation:

The number of total employees is:

The number of married employees is:

The probability that a randomly selected employee is not married is given by:

The probability is 0.5 or 50%.

7! = 7×6×5×4×3×2

3! = 3× 2

as 7! is multiple of 3! because 7! contains 3! that is 3× 2 as factor

so 7! /(3! ) = 7× 6× 5× 4

= 42 × 20

= 840

its b) 840✌✌✌

dhruv⭐