The graph below shows three different normal distributions. 3 normal distributions are shown. They all peak at the same point, b
ut they all have different heights and widths. Which statement must be true? A) Each distribution has a different mean and the same standard deviation. B) Each distribution has a different mean and a different standard deviation. C) Each distribution has the same mean and the same standard deviation.
D) Each distribution has the same mean and a different standard deviation.