Satisfied with the level of customer service

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A commercial bank is concerned about its image among its clients. In a random survey that was run last year among 500 clients, 54% said that they were satisfied with the level of customer service. This year, in another survey among 400 clients, only 45% said that they were satisfied with the level of customer service.

b) At the 5% level of significance, can we infer that the level of satisfaction among the bank’s clients has decreased by more than 5 percentage points?

Reference no: EM13979329

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