Standard deviation and probability calculator
[DOC File]Standard deviation - 物理系
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In probability and statistics, the standard deviation of a probability distribution, random variable, or population or multiset of values is a measure of the spread of its values. It is usually denoted with the letter σ (lower case sigma).
[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]Chapter Five
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The mean, variance, and standard deviation are: and . 5.84 a. Probability distribution of x for . x P(x) 0 .5488 1 .3293 2 .0988 3 .0198 4 .0030 5 .0004 The mean, variance and standard deviation are: and . b. Probability distribution of x for . x P(x) 0 .1653 1 .2975 2 .2678 3 .1607 4 .0723 5 .0260 6 .0078 7 .0020 8 .0005 9 .0001 The mean ...
[DOC File]Binomial Probability Worksheet II
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Binomial Probability Worksheet II. Given the number of trials and the probability of success, find the mean, standard deviation, and the probability of:
[DOC File]Probability Distributions
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Standard Deviation = What do you notice about your solutions to parts b and c? Use the binomial table and graph for n = 5, p = 0.50 to answer the following: What is the shape of the binomial distribution when p = 0.50? Use the binomial table and your TI-calculator to find the mean and standard deviation of this binomial probability distribution.
[DOCX File]www.homeworkforyou.com
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e. (2 pts) Find the probability of waiting five minutes exactly. 2. (2 pts) What does a z-score tell you? 3. (1 pt) What is the total area under a normal curve? _____ 4. (6 pts) If a random variable that is normally distributed has a mean of 32 and a standard deviation of 4, convert the given value to a . …
[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]Probabilities for the Normal Distribution with the TI-83
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Calculating the Mean, Median, Standard Deviation & Interquartile Range. First enter your data into a list as above. Key STAT, CALC, 1: 1-Var Stats, L1, Enter. Since L1 is the default for 1-Var Stats, if you entered your data into L1, you need not type L1 again. i.e. keying STAT, CALC, 1: 1 …
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