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Title: A department store claims that its average customer satisfaction rating is 28.5. We believe that ... Post by: flemingpk on Feb 19, 2023 A department store claims that its average customer satisfaction rating is 28.5. We believe that this rating is too high, so we randomly sample 40 customers and find a sample average of 25.2. If the standard deviation of customer satisfaction for this store is 13.1, what is the probability of observing a sample at least this far below the claimed mean, assuming the claim is true? ▸ 0.9441 ▸ 0.4013 ▸ 0.0559 ▸ 0.2500 Title: Re: A department store claims that its average customer satisfaction rating is 28.5. We believe that ... Post by: shindh02 on Feb 19, 2023 Content hidden
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