In a standard normal distribution the range of vaules of z is from
Answers
In a standard normal distribution the range of values of z is from -infinity to +Infinity
Step-by-step explanation:
Area under standard normal distribution curve is 1 or 100%
Shape of curve is Bell Shaped.
Mean is at center.
In a standard normal distribution the range of values of z is from -infinity to +Infinity
However 99.74 % of Data lies with in z score -3 to 3
and 99.95% of Data lies with in z score -3.4 to 3.4
Most of the z table referred , have values from -3.4 to 3.4 also
However there are more precise z score table also available , depending on accuracy and precision required
Tables showing z values from -3.4 to 3.4 are attached
Correct answer is : -infinity to +Infinity
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