The standard normal distribution

    • [DOCX File]Binomial, Geometric, and Normal Distributions

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      Normal Distribution and Table A Questions (z-scores as well) For each question, construct a normal distribution curve and label the horizontal axis. Then answer each question. 4. A line for tickets to a local concert had an average (mean) waiting time of 20 minutes with a standard deviation of 4 minutes.

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    • [DOC File]Using the Standard Normal Distribution Table

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      Suppose that the distribution of X is normal with a mean of 100 and a standard deviation of 16—that is, X is N(100, 16). Jessica is a 12-year-old and has an IQ score of 132.We would like to determine the proportion of 12-year olds that have IQ scores less than Jessica’s score of 132.

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    • Standard Normal Distribution Table - MATH

      How many standard deviations wide is the standard normal distribution? What is the z-score formula? What do z-scores tell you? How many standard deviations wide is a non-standard normal distribution? How do you find P(X

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    • [DOC File]The normal distribution

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      A normal distribution with a mean of 0 and a standard deviation of 1 is called the standard normal distribution. z value: The distance between a selected value, designated X, and the population mean (, divided by the population standard deviation, (. (5-2) EXAMPLE 1: Monthly incomes of MBA Graduates.

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    • [DOC File]Worksheet on Normal Distribution - Washington-Liberty

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      Nine Practice Problems -- Normal Distribution 1. Replacement times for CD players are normally distributed with a mean of 7.1 years and a standard deviation of 1.4 years (data from Consumer Reports).

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    • [DOC File]The Normal Probability Distribution - My Courses

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      This is the "bell-shaped" curve of the Standard Normal Distribution. It is a Normal Distribution with mean 0 and standard deviation 1. It shows you the percent of population: between 0 and Z (option "0 to Z") less than Z (option "Up to Z") greater than Z (option "Z onwards") It only display values to 0.01%. The Table. You can also use the table ...

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    • [DOC File]Chapter : The Normal Distribution

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      The normal distribution Measures of Central Tendency and Dispersion [ST&D p. 16-27] Mean or average (measure of central tendency) Variance (measure of dispersion of the individuals about the mean) The Normal distribution (~N) 50% of the items fall between ( ( 0.674( 95% of the items fall between ( ( 1.960( 99% of the items fall between ( ( 2 ...

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    • The Standard Normal Distribution | Examples, Explanations, Uses

      Go over using the table for the standard normal distribution to find z-scores, given probabilities. See Triola, pp. 251-254. Remember, there are only two things you can do with this table: 1) given a z-score look up an area, and 2) given an area look up a z-score.

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