Which biconditional is not a good definition? two line segments are congruent if and only if they are of same length. an angle is straight if and only if its measure is 180. two figures are congruent if and only if their areas are equal. a whole number is odd if and only if the number is not divisible by 2. its not b

Someone answer asap for ! 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.