There are three children in a family. a friend is told that at least two of them are boys. what is the probability that all three are boys? the friend is then told that the two are the oldest two children. now what is the probability that all three are boys? use bayes law to explain this. assume throughout that each child is independently either a boy or a girl with equal probability.

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.

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?