How to reject the official-s claim


A state transportation official claims that the mean waiting time at exit booths from a toll road near the capitol is no more than .40 minutes. for a sample of 35 motorists exiting the toll road, it was found that the mean waiting time was .46 minutes, with a standard deviation of .16 minutes. at the .05 level of significance, can we reject the official's claim?

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Basic Statistics: How to reject the official-s claim
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