Zach has $24,280 in his bank account. He recently decided to move to NYC to pursue an acting career and is not making money. He has to pay $4,500 per month for an apartment. How long will Zach be able to pay for this apartment without making money? After how many months, Zach will not be able to pay for his apartment without making more money.

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?