The producer of a weight-loss pill advertises that people who use the pill lose, after one week, an average (mean) of pounds with a standard deviation of pounds. in a recent study, a group of people who used this pill were interviewed. the study revealed that these people lost a mean of pounds after one week. if the producer's claim is correct, what is the probability that the mean weight loss after one week on this pill for a random sample of individuals will be pounds or less?

If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?

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?

The interior angles formed by the side of a hexagon have measures of them up to 720° what is the measure of angle a