## Related questions with answers

Question

The table shows Emma's midyear exam results. The exam results for each subject are normally distributed with the mean $\mu$ and standard deviation $\sigma$ shown in the table.

$\begin{matrix} \text{Subject} & \text{Emma's score} & {\mu} & {\sigma}\\ \text{English} & \text{48} & \text{40} & \text{4.4}\\ \text{Mandarin} & \text{81} & \text{60} & \text{9}\\ \text{Geography} & \text{84} & \text{55} & \text{18}\\ \text{Biology} & \text{68} & \text{50} & \text{20}\\ \text{Maths} & \text{84} & \text{50} & \text{15}\\ \end{matrix}$

Arrange Emma's subjects from 'best' to 'worst' in terms of the z-scores.

Solution

VerifiedAnswered 2 years ago

Answered 2 years ago

Step 1

1 of 8We need to arrange the subjects from the best score to the worst score.

We will use their z-scores to arrange the subjects.

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