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[DOC File]Calculating Probability
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Mean and Variance of a discrete r.v. with probability distribution. The mean (The mean of a r.v. is also called as the . expected value.) The variances . The standard deviation = Ex. Toss a coin twice, x = # of heads. Find and . The probability distribution is . x 0 1 2 P(x) 0.25 0.5 0.25 (the number of heads we can expect to get if we toss a ...
distributive probability calculator

[DOC File]Using The TI-83 to Construct a Discrete Probability ...
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To find the mean (expected value) and standard deviation, press the STAT key, highlight CALC using the arrow keys and then select the 1-VAR STATS option (#1). Then enter L1, L2. Remember L1 is x …
mean of probability 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 = 0.50. Mean = Standard Deviation =
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[DOCX File]Katy Independent School District
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33. The mean x and standard deviation s measure center and spread but are not a complete description of a distribution. Data sets with different shapes can have the same mean and standard deviation. To demonstrate this fact, use your calculator to find x and s for these two small data sets. Then make a stemplot of each and comment on the shape of each distribution.
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Find mean of distribution calculator