Identify the domain and range of the relation {(−1, 1), (0, 2), (3, −2), (5, 2)}. A. domain: {−2, 1, 2}; range: {−1, 0, 3, 5} B. domain: {−1, 0, 3, 5}; range: {−2, 1, 2} C. domain: all real numbers; range: all real numbers D. domain: {−1, 1, 0, 2}; range: {3, −2, 5, 2}

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?

Do xuan nam isgoing to invest $1000 at a simple interest rate of 4% how long will it take for the investment to be worth $1040?

The patient recovery time from a particular surgical procedure is normally distributed with a mean of 5.2 days and a standard deviation of 1.7 days. what is the probability of spending more than 2 days in recovery? (round your answer to four decimal places.)