Purchase Solution

Mean Z Score Under a Standard Normal Curve

Not what you're looking for?

Ask Custom Question

For a distribution of a standard deviation of o=20 describe the location of the following z scores in its position relative to the mean.
z= +200 is located ________
z= +0.50 is located ________
z= -1.00 is located________
z= -0.25 is located_________

Purchase this Solution
Solution Summary

This solution gives detailed steps on how to arrive at the mean z score under a standard normal curve.

Solution Preview

First, you know that the standard normal symmetric about a mean which is 0, right? So the positive z value is on the right of the ...

Purchase this Solution
Free BrainMass Quizzes
Measures of Central Tendency

This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.

Measures of Central Tendency

Tests knowledge of the three main measures of central tendency, including some simple calculation questions.

Know Your Statistical Concepts

Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.

Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.

View More Free Quizzes
Related BrainMass Solutions

  • Z-score and Area under the Normal curve

    266260 Z-Score and Area Under the Normal Curve Discuss the difference between a z-score and the area under the normal curve. What exactly does a z-score represent? What does the area under the graph of a normal probability distribution represent?

  • Probabilities using the Normal Distribution

    If a z-score is close to −3.49, the cumulative area is close to what value? 3. What is the area under a standard normal curve between z = −1.47 and z = 1.58? 4. What is the area under a standard normal curve to the right of z = 0.35? 5.

  • Normal Probability and Z-score

    What does the standard score represent? What does the area under the normal curve mean? Please see the attachments. The solution provides step-by-step method for the calculation of area under a normal curve using the Z score.

  • Finding probability using the z-score

    314207 Statistics: Normal curve, normal distribution, probability, standard deviation, z-score. Finding area under a curve between two z-scores. Please find below some problems to be solved. 1.

  • Determining the area under a normal curve using a standard normal distribution table.

    You can assume the mean is 0. I used z-score. z is a random variable with standard normal distribution z = (x-mean)/dev if 0z<3.01.

  • relationship between z score and normal distribution

    The standard normal curve has a bell shape and the percentages are calculated as the area: the area is under the normal curve to the left of a specified Z score.

  • Probability - Standard Normal Curve

    (1)  = 17,  = 3.24 To qualify a student needs to be in the top 15%. This means, the area under the standard normal curve to the right of some z- score must be 0.15.

  • Normal Distribution

    A normal distribution has a mean=60 and a standard deviation=6. Find the following probabilities: We're going to use z-scores to figure this out.

  • Inverse Normal Distribution SAT and ACT Scores

    ) = 25.69 (b) Area under the standard normal curve is 20% (0.20) to the right of z = 0.8416 SAT: x = 500 + 0.8416(100) = 584.16 and ACT: x = 18 + 0.8416(6) = 23.05 (c) Area under the standard normal curve is 60% (0.60) to the right of z = -0.2533

View More Related Solutions