The work has not been graded but I like the output that was submitted to me. Is it possible for the same prof to do the next assignment I will be submitting? If possible, I will greatly appreciate it.
The manager of the zoo claims that the time spent by the visitors in the zoo is 90 minutes. A random sample of 16 visitors who went to the zoo produced the average time of 1.4 hour with a standard deviation of 15 minutes. Assuming the spending time by the visitors have a normal distribution and using the 5% significance level, test whether the average time spending in the zoo is not 90 minutes
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