1) to earn a b in your algebra course, you must achieve an unrounded
test average between 84 and 86, inclusive. you scored 86,85, and 80
on the first three tests of the grading period. what possible scores can
you earn on the fourth and final test to earn a b in the course?

Needmax 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.