A rugby team has 15 players, more than the optimal number for a work team. At work, the optimal number depends on the task, the skills required, and the time provided to complete the task. As a general rule, experts suggest teams have .

5 to 9 members

Explanation:

Optimal number is simply known to be the best or favorable or required number at a particular point in time.

Normally, every work, especially works that related to sport use to have the required number of people that can work with them at a particular time, most especially when going for a game.

In this case, the expert suggested that, the optimal number of members for a team should be within 5 to 9. And this should include all the needed personnel.  

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