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A commonly cited standard for one-way length (duration) of school bus rides for elementary schoolchildren...

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A commonly cited standard for one-way length (duration) of school bus rides for elementary schoolchildren is 30 minutes. A local government office in a rural area randomly samples 100 elementaryschool children in their district and find an average one-way commute time of 38 minutes with astandard deviation of 8 minutes.Which of the following is the correct set of hypotheses for testing if the average commute time ofelementary school students in this district is different than the commonly cited standard of 30minutes?HA: ?=30; Ho: x ? 30Ho: x= 38; HA: ?=30Ho: ?=30; HA: ?> 30 Ho: ?=30; HA: ? ? 30Ho: ? = 30; HA: x = 38

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