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PLEASE TYPE ANSWER 4. The numbers of advertisements seen or heard in one week for 30...

PLEASE TYPE ANSWER 4. The numbers of advertisements seen or heard in one week for 30 randomly selected people in the United States are listed below. Construct a 95% confidence interval for the true mean number of advertisements. Assume that σ = 159.5 598 494 441 595 728 690 684 486 735 808 481 298 135 846 764 317 649 732 582 677 734 588 590 540 673 727 545 486 702 703

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