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Mareka · Answer 1 · 2023-11-29T14:03:14+0000

SOLUTION

Given the question in the image, the following are the solution steps to answer the question.

STEP 1: Write the given parameters

$\begin{gathered} \operatorname{mean}(\mu)=250 \\ \text{Standard deviation(}\sigma)=65 \end{gathered}$

STEP 2: Represent the probability required

$\begin{gathered} Let\text{ X represents the scores which }is\text{ given to be normally distributed }with\text{ mean of 250 and }s.d\text{ of 65} \\ \text{Then, we are }required\text{ to find }P(240<p>STEP 3: Find the probability</p>[tex]undefined$

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