What is the proportion of people surveyed that rated the, Ask an Expert

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Find the required probability for the normal distribution.

500 people were surveyed and asked to rate NYC subway system with the rating scale of 1 (lowest to 5 (highest). The average rating was 3.0, with a standard deviation of 0.5.

A: What is the proportion of people surveyed that rated the subway system from 3 to 4

B: What is the proportion of people surveyed rated the Subway System from 1 to 3

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Category:- Statistics and Probability
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