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Answer:
10 different groups of customers could the store call
Step-by-step explanation:
Given the data in the question;
calling two (2) homes out of last week's five (5) customers;
so, there are 5 customers from last week and todays call needs to go to 2 customers randomly;
hence, Total group will be;
[tex]\left[\begin{array}{ccc}5\\2\\\end{array}\right][/tex] = 5! / ( 2! × ( 5 - 2 )!
= 5! / (2! × 3! )
= 10
Therefore, 10 different groups of customers could the store call