tremainewoodley3030
25.02.2020 •
Mathematics
1. Of 6 employees, 3 have been with the company five or more years. If 4 employees are chosen randomly from the group of 6, what is the probability that exactly 2 will have five or more years seniority
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Ответ:
Probability = 0.6
Step-by-step explanation:
We are given that out of 6 employees, 3 have been with the company for five or more years which means remaining 3 employees have been with the company for less than 5 years.
We have to find the probability that If 4 employees are chosen randomly from the group of 6, what is the probability that exactly 2 will have five or more years seniority;
This means that 2 employees will be selected from the group of 3 employees who are with the company for five or more years and remaining 2 employees will be selected from the group of 3 employees who have been with the company for less than 5 years.
Number of ways in which exactly 2 will have five or more years seniority
=
Total number of ways for selecting 4 employees from group of 6 =
So, required probability = = { }
= = = 0.6
Ответ:
Do ko mintindihan sult moh