The michigan veteran population in 1990 was 14.2% and in 2000 was 12.4%. a) let p represent the percent of michiganders who were veterans and t represent the years since 1990. find a linear model of this situation, rounding to two decimal places. p(t)=

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?