Mathematics, 09.03.2020 22:20 lauren9469
The traffic commissioner wants to know the average speed of all vehicles driving on River Rd. Police use radar to observe the speeds for a sample of 20 vehicles on River Rd. For the vehicles in the sample, the average speed is 31.3 miles per hour with standard deviation 7.0 mph. Construct and interpret a 98% confidence interval estimate of the true population average speed of all vehicles on River Rd. Use a 98% confidence level.
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Ageologist had two rocks on a scale that weighed 4.6 kilograms together.rock a was 0.5 of the total weight.how much did rock a weigh?
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Explain why the factor 1.5 is broke. into two numbers in the model.
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The traffic commissioner wants to know the average speed of all vehicles driving on River Rd. Police...
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