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Using a Distribution to Find Probabilities In Exercises 11–26, find the indicated probabilities using the geometric distribution, the Poisson distribution, or the binomial distribution. Then determine whether the
21. Fracking Fifty-one percent of U.S. adults oppose hydraulic fracturing (fracking) as a means of increasing the production of natural gas and oil in the United States. You randomly select eight U.S. adults. Find the
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Elementary Statistics: Picturing the World (7th Edition)
- Unemployment In 2015, there were approximately 8.3 million unemployed workers in the United States. The circle graph shows the age profile of these unemployed workers. Ages of Unemployed Workers (a) Estimate the number of unemployed workers in the 16-19 age group. (b) What is the probability that a person selected at random from the population of unemployed workers is in the 20-24 age group? (c) What is the probability that a person selected at random from the population of unemployed workers is in the 25-54 age group? (d) What is the probability that a person selected at random from the population of unemployed workers is 55 or older?arrow_forwardIn Example 8, what is the probability that an employee chosen at random has 30 or more years of service?arrow_forward
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