a catalog sales company promises to deliver orders placed on the internet within 3 days. follow-up calls to a few randomly selected customers show that a 90% confidence interval for the proportion of all orders that arrive on time is 88%plus or minus5%. what does this mean? are the conclusions below correct? explain. a right parenthesis between 83% and 93% of all orders arrive on time. b right parenthesis 90% of all random samples of customers will show that 88% of orders arrive on time. c right parenthesis 90% of all random samples of customers will show that 83% to 93% of orders arrive on time. d right parenthesis the company is 90% sure that between 83% and 93% of the orders placed by the customers in this sample arrived on time. e right parenthesis on 90% of the days, between 83% and 93% of the orders will arrive on time.
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Category: chemistry | Author: Giiwedin Frigyes
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