Answer:
a. True
Step-by-step explanation:
The standard normal curve is used in statistics for a standard normal distribution. A standard normal curve describes data form a variable that has infinite, or very large, number of possible values distributed among the population. It has certain properties, like: The shape is symmetric; the distribution rises in the middle, and goes down to the left and to the right; the mean is in the middle of the distribution; the mean and the median are the same value.