An Italian restaurant surveys the first 50 customers every night for a week to find out if they like the new garlic bread. what is the sample method? A)simple random sample B) systematic random sample C) convenience sample D) Voluntary Response Sample

Abank manager wants to encourage new customers to open accounts with principals of at least $2,500. he decides to make a poster advertising a simple interest rate of 3%. what must the principal be if the bank manager also wants to advertise that one can earn $10 the first month? can the poster correctly say, "open an account of $2 comma 500 and earn at least $10 interest in 1 month! "?