56 watched tennis 20 are boys 17 girls 32 didn't watch tennis one of these gets chose at random what's the probability that the student chosen will be a boy in fraction form simplified

idk

Step-by-step explanation:

an advantage of the standard deviation is that it increases as the dispersion of the data increases. e. the interquartile range is preferred when the data are not skewed or no have outliers. an advantage of the standard deviation is that it uses all the observations in its computation.