1,) A university surveys 36 randomly selected students and asks the number of dollars spent on textbooks/supplies during the academic year. The results are (in dollars are shown below. 425 78 53 699 663 282 845 373 161 22 853 653 366 806 920 562 828 931 641 134 916 38 379 90 388 894 654 639 916 284 700 684 600 425 717 822 Construct a 90% confidence interval for the mean dollars spent. Would a given mean value of $600 be likely, given the calculated confidence level?

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