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The Highway Safety Department wants to study the driving habits of individuals. A sample of 37 cars traveling on a particular stretch of highway revealed an average speed of 70.7 miles per hour with a standard deviation of 6.3 miles per hour. Round to 4 decimal places. 1.Calculate a 90% confidence interval for the true mean speed of all cars on this particular stretch of highway
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The system of equations graphed below has how many solutions? y = 2x + 2
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Joseph haydn pet store offers wide variety of leashes for dogs. the store purchases one popular type of leash from its manufacturer for $4.38 each. joseph haydn pets marks up leashes at a rate of 238% of cost. what is the retail price of the popular leash?
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Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?
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The Highway Safety Department wants to study the driving habits of individuals. A sample of 37 cars...
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