Concept explainers
Tossing a Coin A balanced coin is tossed three times. Let x equal the number of heads observed.
a. Use the formula for the binomial
b. Construct the probability distribution.
c. Find the
d. Using the probability distribution in part b, find the fraction of the population measurements lying within one standard deviation of the mean. Repeat for two standard deviations. How do your results agree with Tchebysheff’s Theorem and the
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Introduction to Probability and Statistics
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