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In a certain year, the U.S. Senate was made up of 53 Democrats, 45 Republicans, and 2 Independents who caucus with the Democrats. In a survey of the U.S. Senate conducted at that time, every senator was asked whether he or she owned at least one gun. Of the Democrats, 17 declared themselves gun owners; of the Republicans, 26 of them declared themselves gun owners; none of the Independents owned guns. If a senator participating in that survey was picked at random and turned out to be a gun owner, what was the probability that he or she was a Democrat? (Round your answer to four decimal places.)
Identify the following dilemmas as either constructive or destructive.- If we build our home in the valley, it will be struck by floods;
A hat contains n coins, f of which are fair, and b of which are biased to land heads with probability 2/3. A coin is drawn from the hat and tossed twice.
What is the probability that there is at least one parking place available for the 11:00 am class?
a nine coins are tossed. let x be the number of coins that turn up heads. find px 4 and px 6.b a coin is tossed
A computer lab at a small college has 25 computers. Twice during the day, a full scan for viruses is performed on each computer.
On a (fictitious) Boards exam, the mean score is 500 with a standard deviation of 100. If your score is 635, what is your Z-score?
The reliabilities of the components are 0.96, 0.91, and 0.80. What is the probability that the device will work when needed?
Change the quantity but not the quality of the following statements:- Some grade-school administrators are people who choke the educational process.
A street performer approaches you to make a bet. He shows you three cards: one that is blue on both sides, one that is orange on both sides, and one that is blue on one side and orange on the other.
João is 24 years old. What would we predict for the number of hours he studies per week?- Kimberly is 19 years old. What would we predict for the number of hours she studies per week?
Use population distribution to determine expected juror frequencies. Test researcher's claim at a = 0.01.
The chief of security for the Mall of the Dakotas was directed to study the problem of missing goods. He selected a sample of 100 boxes that had been tampered with and ascertained that for 60 of the boxes
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