PROPERTIES OF A NORMAL CURVE

THE NORMAL CURVE IS A BELL-SHAPED PROBABILITY DISTRIBUTION.

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THE AREA THAT CORRESPOND BETWEEN z = 0 and z = 1 is 0.3413.

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THE MEAN IS EQUAL TO ONE AND STANDARD DEVIATION IS EQUAL TO ZERO IN A STANDARD NORMAL DISTRIBUTION

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A PROBABILITY VALUE IS A NUMBER FROM 0 AND 1

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THE NORMAL CURVE IS ASYMMETRICAL

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TABLE OF AREAS UNDER THE NORMAL CURVE IS ALSO KNOWN AS T-TABLE.

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THE AREA OF z = -2 IS NOT EAQUAL TO z = 2

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THE AREA THAT CORRESPOND TO z = 0.42 is 0.1628

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AT THE BASE OF A NORMAL CURVE , THERE ARE EIGHT STANDARD DEVIATION.

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THE AREA CORRESPOND TO z = - 1.15 is 0.3749

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