Ruby is visiting San Francisco. From her hotel she walks 4 blocks west and 2 blocks north to a coffee shop. Then she walks 7 blocks east and 7 blocks north to a museum. Where is the museum in relation to her hotel?

Recall that the owner of a local health food store recently started a new ad campaign to attract more business and wants to know if average daily sales have increased. historically average daily sales were approximately $2,700. the upper bound of the 95% range of likely sample means for this one-sided test is approximately $2,843.44. if the owner took a random sample of forty-five days and found that daily average sales were now $2,984, what can she conclude at the 95% confidence level?