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What is the percentage of movies that are between 1.5 and 2 hrs long? Example: Movie Lengths Consider the movie length data. The average length

What is the percentage of movies that are between 1.5 and 2 hrs long?

Example: Movie Lengths Consider the movie length data. The average length is 96 minutes and the standard deviation is 27.5 minutes. Use the normal approximation to find the percentage of movies that are between 1.5 and 2 hours long. 90 120

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