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7-101. the local sports shop is having a sale on bats and balls, with a limit of one
bat and one ball per customer. the owner of the store, mr. blake, thinks that a
customer who purchases a bat is more likely to purchase a ball than a customer
who does not purchase a bat. he analyzes the sales from the last week and finds
that a total of 240 customers came into the store. he counts 180 customers who
purchased bats and 96 customers who purchased balls. mr. blake then counts
the number of sales that include both a bat and a ball and finds that 72 customers
purchased both.
a. create a two-way table to represent this data.
