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Mathematics, 26.11.2019 07:31 codycollier
Among all the income tax forms filed in a certain year, the mean tax paid was $2000, and the standard deviation was $500. in addition, for 10% of the forms, the tax paid was greater than $3000. a random sample of 625 tax forms is drawn. a. what is the probability that the average tax paid on the sample forms is greater than $1980? b. what is the probability that more than 60 of the sampled forms have a tax of greate
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Among all the income tax forms filed in a certain year, the mean tax paid was $2000, and the standar...
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