A Normal probability distribution has the following well-known characteristics:
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A. The two tails of the normal curve extend to infinity in both directions and never touch the horizontal axis
✔️ True. The curve approaches but never touches the X-axis. -
B. Normal curve is symmetrical around the vertical line
✔️ True. The curve is perfectly symmetric about its mean. -
C. The values of mean, median and mode are equal
✔️ True. This equality occurs at the center of the normal distribution.