The scores received by students completing a geology exam are normally distributed. If the average score is 122 and the standard deviation is 35, what percentage of students scored between 52 and 122?

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The scores received by students completing a geology exam are normally distributed. If the average score is 122 and the standard deviation is 35, what percentage of students scored between 52 and 122?

Probability
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well you would have to find out the other scores
what you see there is all that is given
these are the choices A: 34.0% B: 37.5% C: 42.0% D: 47.5% E: 48.0%

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convert 52 and 122 to their respective z-scores using the formula z-score = (given number-mean)/standard deviation
then, use a graphing calculator function normalcdf(z-score1,z-score2) or use a z-table to find the corresponding percentages
I would prbab;y go d just sayin
Okay, thanks @Vocaloid
are u using computer because if so it has a graphing calc on it
@ray-mccloud: if you need to check your answer, you can use this online calculator https://www.easycalculation.com/statistics/normal-distribution.php
or that but it would be quicker to do the that is automatically on yo computer
hey ray I think I figured my problem out but can u check jus to be sure
alright zach but give me a sec while I finish up my problem.

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