Hello, can you help me with a Standard deviation question, please?

Lmcadory asked Sep 23, 2023

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Lmcadory asked Sep 23, 2023

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25 votes

To now how many had a score under 66, we have to calculate the following probability

So the amount of people that had a score under 66 is

$4502\cdot0.0013=5.86\approx6$

So 6 people get a score under 66

Jake Feasel answered Sep 27, 2023

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