How to Calculate Percentiles from Mean & Standard Deviation

So for a percent-less-than question, one would standardize and then look up in a normal curve left-area table (or else use technology). For the question here, the standard score for the cut is

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Average, Standard Deviation and Relative Standard Deviation

They found the set of data to be normally distributed with a mean speed of 36 km/h and a standard deviation of 2 km/h. What percentage of the vehicles passed on Union

Find mean and standard deviation given percentages of crop

Instructions: Use this one to calculate a percentile value for a given percentile, when you know the mean and standard deviation. Please provide the information required below: Pop. Mean ( \mu
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