Question: 1. INTERVAL ESTIMATION FOR THE PROPORTION OF A POPULATION: A bank manager wants to determine the proportion of customers who are paid monthly interest on

1. INTERVAL ESTIMATION FOR THE PROPORTION OF A POPULATION: A bank manager wants to determine the proportion of customers who are paid monthly interest on checking accounts. A random sample of 100 clients was selected, of which 30 of them earned interest on their accounts. Estimate the proportion of customers who are paid interest on their accounts at 90% confidence.

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