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JAMB Mathematics 2020 Paper

Question : 9

Total: 40

Solution:

Let x represent number of goals $\begin{array}{c c c} x & F & \text{Frequency}(fx) \end{array}$

\text{---} 0 \& 4 \& 0

\text{---} 1 \& 3 \& 3

\text{---} 2 \& 15 \& 30

\begin{aligned} \text{---} 3 & 16 & 48 \end{aligned}

\text{---} 4 \& 1 \& 4

\text{---} 5 \quad 0 \quad 0

\begin{matrix} \text{---} & 6 & 1 & 6 \end{matrix}

\text{---} \sum Fx = 91

$\sum fx$ = 91

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