A weight-loss franchise home office wanted to compare the results of two centers. Of 200 randomly selected participants from center A, 123 lost at least 10 pounds. Of 150 randomly selected participants from center B, 109 lost at least 10 pounds. Construct an 80% confidence interval for the difference between the proportions of participants at center A and participants at center B who lost at least 10 pounds. Which of the following would be the correct (generic) interpretation for this interval?

Based on the diagram, match the trigonometric ratios with the corresponding ratios of the sides of the triangle. tiles : cosb sinb tanb sincposs matches: c/b b/a b/c c/a

Me max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.

Which expression gives the exact value of x?