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The standard Normal distribution is symmetric about 0 and so 50% of the Z values are positive.

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12y ago

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For some positive value of Z the probability that a standard normal variable is between 0 and Z is 0.3340. the value of Z is?

0.97


In a standard normal distribution what z value corresponds to 17 percent of the data between the mean and z value?

z = ±0.44


What Z score corresponds to 17 percent of the data between the mean and the Z?

z value=0.44


What does a negative z value mean?

Negative z value means that the raw dat is below the mean, if z value is positive it means that the raw data is above the mean.


What is the z value such that 50 percent of the total area lies to the right of the curve in a normal distribution?

The Z value is 0.


What value corresponds to the 38 percent of the data between the mean and the z value?

The value is 0.3055


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The critical value of z for a 96 percent confidence interval is approximately 2.05. This value corresponds to the point where the area in each tail of the standard normal distribution is 2 percent, leaving 96 percent in the center. It is typically found using z-tables or statistical software.


What is the z value for 86 percent confidence interval estimation?

Pr{z<=1.0805}~=0.86


The standard z-score such that 80 percent of the distribution is below to the left of this value is?

z = 0.8416


What is the Z value for 91 percent confidence interval estimation?

The Z-value for a one-sided 91% confidence interval is 1.34


What is the Z value to the right of the mean Such that 74.5 percent of the total area lies to the left of it?

z = 0.6903


What is the Z value for 95 percent confidence interval estimation?

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