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[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 …
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[DOC File]Calculator Tip Sheet
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Calculator Tip Sheet. Chapter 7. To find the probability of x being in a specified range: TI 83/older 84 Newer TI84. 2nd 2nd DISTR DISTR. normalcdf normalcdf (lower, upper, lower: lower bound of range. upper: upper bound of range: mean: standard deviation. Paste. Enter. To find the probability of being in a specified range, for a group of size n:
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[DOC File]For all parts requiring calculations, show how you got ...
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Sample mean Sample standard deviation Adult 28 5.6 0.4 Juvenile 22 7.8 0.9 Test the null hypothesis that both populations have the same mean DDT content against the alternative that they are different. Do not assume that the two populations have the same standard deviations. Give (as near as you can from the table) the p-value for the test.
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[DOC File]AP Statistics TI 83/84 Calculator functions
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This can be used for taking a sample. Probability Calculations: (all found by hitting 2nd – distr) 1. normalcdf (min, max, mean, st dev): This will give you the area under the normal curve for a given interval. This can be used to find the probability of selecting an individual from a population with a certain value or range of values.
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[DOCX File]JustAnswer
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Apr 29, 2013 · C. there’s a 0.15 probability of obtaining a sample mean weight of 64.8 inches or taller from a population whose mean height is 63.7. 18. researchers wanted to measure the effect of alcohol on the development of the hippocampal region in adolescents.
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[DOC File]Probability & Statistics
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(b) Suppose is another set of 8 measurements with mean 2.4 and variance 7.52. Find the mean and variance of the combined set of 18 measurements. (5, 1993) Solution: Example 10 (a) A statistical assistant used a calculator to find the mean and the variance of a frequency distribution and obtained the following results : total frequency = 409
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[DOC File]Binomial Probability Worksheet II
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Binomial Probability Worksheet II. Given the number of trials and the probability of success, determine the probability indicated: 1. find P(2 successes) 2. find P(1 success) 3. find P(10 successes) 4. find P(11 successes) 5. find P(4 successes) 6. find P(3 failures) 7. find P(1 failure) 8. find P(at least 3 successes) 9. find P(no more than 3 ...
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[DOC File]A small store keeps track of the number X of customers ...
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Find the sample mean. Calculate the P-Value. Is the result significant at the level? What is your conclusion? Sketch a normal curve for your significance test. Mark the suggested population mean, sample mean, sampling standard deviation, P-value, and . Shade the area under the curve to show the P …
probability of sample mean calc

[DOC File]ID 147S
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X / n. When sample size is small, it is convenient to find the probabilities for using binompdf on your calculator. ( takes fractional values 0, 1/n, 2/n, 3/n, …, (n-1)/n, 1.) Sample mean. For any sample size, if the variable X is normally distributed on the population then the sample mean is normally distributed.
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Find probability of sample mean calculator