Probability calculator using standard deviation
[DOC File]Topic 18: The Central Limit Theorem
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Using the CLT, find the z-score corresponding to the sample proportion of smokers equal to 0.25. mean of sampling distribution = standard deviation of sampling distribution = z-score for = 0.25 = Use this z-score and your calculator to calculate the probability that the
[DOC File]Lab #3 – Normal Distribution & Confidence Intervals
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Using the data on the following page, do the following computations using Stat Disk or your TI Calculator as specified. a) Find the mean, standard deviation, minimum, maximum, mode, median, first and third . quartiles for the data. In your report refer to these summary statistics and the charts
[DOC File]Using The TI-83 to Construct a Discrete Probability ...
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TI-83/84 Discrete Probability Distributions. You can use the TI-83/84 calculator to graph a discrete probability distribution as well as find the mean (expected value) and standard deviation of a discrete random variable. Example: The manager of the Elmwood …
[DOC File]RETURN CALCULATIONS - Lehigh University
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To annualize returns and standard deviations from periodic returns and standard deviations use the following set of equations which assumes compounding. Note: m is the number of periods per year. Monthly Annual w/ compounding Annual w/o compounding Mean return 1.1196% 14.2928% 13.4352% Standard deviation 4.3532% 17.1313% 15.0799%
[DOC File]Section 1
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PDF – probability distribution function; assigns a probability to each value of X. CDF – cumulative (probability) distribution function; assigns the sum of probabilities less than or equal to X. Key Concepts: Mean and Standard Deviation: TI-83 Support: For P(X = k) using the calculator…
[DOC File]Probability Distributions
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Use the binomial table and your TI-calculator to find the mean and standard deviation of this binomial probability distribution. (Enter the probability column without rounding) Mean = Standard Deviation = Now use the binomial formulas to find the mean and standard deviation when n = 5 and p = 0.10. Mean = Standard Deviation =
[DOC File]Problem 1:
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Calculate the total risk (standard deviation) of a portfolio, where 1/8 of your money is invested in stock A, and 7/8 of your money is invested in stock B. (Hint: use both the method with the formula for the risk of a portfolio (i.e., using the covariance) and the method of calculating the variance (and standard deviation) from the portfolio ...
[DOC File]Z-Score Practice Worksheet
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A score of 144 on a test with a mean of 128 and a standard deviation of 34..47. A score of 90 on a test with a mean of 86 and a standard deviation of 18. .22. A score of 18 on a test with a mean of 15 and a standard deviation of 5. .6
[DOC File]Lesson Title - VDOE
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Areas that are not bounded at specific standard deviation units can be found by using a calculator or a z-table. Problem 1. A corn chip factory packs chips in bags with normally distributed weights with a mean of 12.4 oz. and a standard deviation of 0.15 oz. On the graph at right, label the mean and three standard deviations above and below the ...
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