Mathematics, 18.12.2021 04:50 Thrillseeker886
Suppose that 90% of all registered voters in a certain state favor banning the release of information from exit polls in presidential elections until after the polls in that state close. A random sample of 25 registered voters is to be selected. Let x be the number of registered voters in this random sample who favor the ban.
(a) What is the probability that more than 20 voters favor the ban?
(b) What is the probability that at least 20 favor the ban?
(c) What are the mean value and standard deviation of the number of voters who favor the ban?
Answers: 3
Mathematics, 21.06.2019 19:30
Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?
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Mathematics, 21.06.2019 21:10
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Answers: 1
Suppose that 90% of all registered voters in a certain state favor banning the release of informatio...
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