Mathematics, 28.06.2020 02:01 EvankzGao
The Highway Safety Department wants to study the driving habits of individuals. A sample of 41 cars traveling on the highway revealed an average speed of 60 miles per hour and a standard deviation of 7 miles per hour. The population of car speeds is approximately normally distributed. Determine a 90% confidence interval estimate for the speed of all cars.
Answers: 3
Mathematics, 21.06.2019 20:40
The graph of a function f(x)=(x+2)(x-4). which describes all of the values for which the graph is negative and increasing? all real values of x where x< -2 all real values of x where -2
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Mathematics, 22.06.2019 01:30
Paco orders an ice cream for $1, but realizes his wallet is at home and he only has 3/20 of $1 with him. if his mom pays the remaining 7/20 of the dollar, how much will she pay? $0.05 $0.15 $0.85 $0.95
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Mathematics, 22.06.2019 04:00
The function below is written in vertex form or intercept form. rewrite them in standard form and show your work. y = 5(x+3)^2-4
Answers: 2
The Highway Safety Department wants to study the driving habits of individuals. A sample of 41 cars...
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