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If a basketball team scores an average (arithmetic mean) of x points per game for n games and then scores y...

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by BTGmoderatorLU » Thu Feb 11, 2021 10:17 am

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Source: Official Guide

If a basketball team scores an average (arithmetic mean) of x points per game for n games and then scores y points in its next game, what is the team's average score for the n+1 games?

A. \(\dfrac{nx+y}{n+1}\)

B. \(x+\dfrac{y}{n+1}\)

C. \(x+\dfrac{y}{n}\)

D. \(\dfrac{n(x+y)}{n+1}\)

E. \(\dfrac{x+ny}{n+1}\)

The OA is A
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