Question

For a normally distributed variable, what proportion would fall between a z-score of xx and xx?

For a normally distributed variable, what proportion would be below a z-score of 0.__?

For a normally distributed variable, what proportion would be below a z-score of -0.__ (note the negative sign)?

For a normally distributed variable, what proportion would be above a z-score of 0.__?

5. For a normally distributed variable, what proportion would be above a z-score of -0._?

Answer 1

Note: Please provide the xx values to answer the first question.

For a normally distributed variable, the proportion that would be below a z-score of 0 is 0.50.

For a normally distributed variable, the proportion that would be below a z-score of -0 is 0.50.

For a normally distributed variable, the proportion that would be above a z-score of 0 is 0.50.

For a normally distributed variable, the proportion that would be above a z-score of -0 is 0.50.

All the proportions are 0.50 because the z score has a standard normal distribution.

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