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[DOC File]STAT 211
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E(X/n) = E(X)/n, Using the rules of the expected value. = np / n =p If X~Binomial(n,p) then E(X)=np (Chapter 3) Example 2: A sample of 15 students who had taken calculus class yielded the following information on brand of calculator owned: T H C T H H C T T C C H S S S (T: Texas Instruments, H: Hewlett Packard, C=Casio, S=Sharp).
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[DOC File]Section 1
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Use your calculator to help evaluate a binomial probability. If X is B(n, p), find µx and (x (that is, calculate the mean and variance of a binomial distribution). Use a Normal approximation for a binomial distribution to solve questions involving binomial probability. Vocabulary: Binomial Setting – random variable meets binomial conditions
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[DOC File]A pair of dice are rolled
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Section 8-5 Expected Value. Example 1 (Revisited). An experiment consists of flipping 5 coins and counting the number of heads. Use your TI-83 calculator to find the expected value. Binomial Probability. As the prefix “bi” suggests, binomial probabilities apply in an experiment in which there are two possible outcomes.
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[DOC File]Chapter 2: Data
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If X is a binomial random variable with parameters n and p, then . We can also use the calculator to find binomial probabilities. To find the probability of a single number, P(X=number), we use binompdf in the TI-84. To find the probability of an interval, P(X ≤number), we use the …
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[DOC File]Using a Spreadsheet (Microsoft Excel) to graph Binomial ...
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Using a Spreadsheet (Microsoft Excel) to graph Binomial Distribution. Example 1. You planted 8 beet seeds. Each one of them will germinate with probability of 0.75. Create a probability distribution function for the experiment, find the expected value, and graph the function using a spreadsheet. Open a …
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[DOC File]AP Stats Chapter 8 Notes: The Binomial and Geometric ...
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The distribution is strongly skewed. Although X can take any whole number value from 0 to 10, the probabilities of value larger than 5 are so small that they basically don’t exist. We want to calculate: When X is B (10, 0.1). The calculator command for this is binompdf (n,p,X). PDF stands for probability distribution function.
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Expected value binomial calculator