statistics
posted by ann .
1. Which of the following statements are correct?
a. A normal distribution is any distribution that is not unusual. (True/False)
b. The graph of a normal distribution is bellshaped. (True/False)
c. If a population has a normal distribution, the mean and the median are not equal. (True/False)
d. The graph of a normal distribution is symmetric. (True/False)

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