According to a Survey of the Top 10 Employers in a Major

question 56

Multiple Choice

According to a survey of the top 10 employers in a major city, a worker spends an average of 413 minutes a day on the job. Suppose the standard deviation is 26.8 minutes and the time spent is approximately a normal distribution.
-Within which interval will the times of approximately 68.26% of all workers fall?

• A)[394.8,431.2]
• B)[386.2,439.8]
• C)[372.8,453.2]
• D)[359.4,466.6]
• E)[332.6,493.4]

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