the weight of corgi dogs was normally distributed with a mean of 11.2kg and a standard deviation of 2.8kg. draw the normal curve and show the distribution for the weights of the dogs. label the weights that are 1,2 and 3 standard deviations away from the mean on either side.
You should know roughly what the normal curve looks like,
you should know what 1 standard deviation is, so just follow the instructions