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Mathematics, 25.06.2019 06:30 ahrensy8444
The owner of a local health food store recently started a new ad campaign to attract more business and wants to test whether average daily sales have increased. historically average daily sales were approximately $2,700. after the ad campaign, the owner took another random sample of forty-five days and found that average daily sales were $2,984 with a standard deviation of approximately $585. calculate the upper bound of the 95% range of likely sample means for this one-sided hypothesis test using the confidence. norm function.
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