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30-33 QUESTION 30 A retail store found that about 40 out of 120 sales were coming from the internet. Management wanted to be able to

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30-33

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QUESTION 30 A retail store found that about 40 out of 120 sales were coming from the internet. Management wanted to be able to determine what proportion of sales can be expected from the internet. Management wanted to be 95% certain that the estimate will contain the true mean. CC = ? QUESTION 31 A retail store found that about 40 out of 120 sales were coming from the internet. Management wanted to be able to determine what proportion of sales can be expected from the internet. Management wanted to be 95% certain that the estimate will contain the true mean. a =? QUESTION 32 A retail store found that about 40 out of 120 sales were coming from the internet. Management wanted to be able to determine what proportion of sales can be expected from the internet. Management wanted to be 95% certain that the estimate will contain the true mean. Critical Value = ? QUESTION 33 A retail store found that about 40 out of 120 sales were coming from the internet. Management wanted to be able to determine what proportion of sales can be expected from the internet. Management wanted to be 95 certain that the estimate will contain the true mean. Lower Confidence Limit = ? (4 Decimal)

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