A random sample of 160 commercial customers of PayMor Lumber revealed that 32 had paid their accounts within a month of billing. The 95 percent confidence interval for the true proportion of customers who pay within a month would be:
A) 0.148 to 0.252
B) 0.138 to 0.262
C) 0.144 to 0.256
D) 0.153 to 0.247
Correct Answer:
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