Z = the sales tax percentage for a randomly selected amazon purchase, where n = the total number of possible sales tax percentages for online purchases Describe the set of possible values for the variable.

Step-by-step explanation:

Z = the sales tax percentage for a randomly selected amazon purchase, where n = the total number of possible sales tax percentages for online purchases

Since Amazon is an online purchase, The set of possible values for the variable is a positive real number. It is a positive real number that must be within . It cannot exceed the tax percentage for online purchases that can be found in Amazon. is a set of online purchases that can be found on Amazon, therefore the set of possible values for the variable is

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it's undefined because anything multiplied by 0 is 0. that said, 7 days is 168 hours