Define the required probability for the normal distribution


Define the required probability for the normal distribution.

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

1) Explain what is the percentage of people surveyed that rated the subway system from 3 to 4

2) Explain what is the percentage of people surveyed rated the Subway System from 1 to 3

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Basic Statistics: Define the required probability for the normal distribution
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