Perform the appropriate hypothesis test for determining whether there is a difference in the proportion of large retailers that use advanced statistical forecasting techniques and small retailers that use advanced statistical forecasting techniques. You have the following sample data:
(a) Perform the appropriate hypothesis test to determine if there is a difference. Assume a 10% level of significance.
(b) Create the appropriate 90% confidence interval for this problem. Do you arrive at the same conclusion as in Part (a) above?
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