Please answer within one hour, and I will give you a good comment, thank you very much

The technical support department at Apple, Inc. sampled 1,000 calls and reported that the mean of time a customer is placed on hold is 4.5 minutes. The sample standard deviation was 1.75 minutes. Provide a 95% confidence interval estimate for the true average time a customer was placed on hold. (show your work) 1 A B I U # !!! CS c