Mathematics, 27.09.2019 00:00 nommies005
An automotive manufacturer has developed a new type of tire that the research team believes to increase fuel efficiency. the manufacturer wants to test if there is an increase in the mean gas mileage of mid-sized sedans that use the new type of tire, compared to 32 miles per gallon, the historic mean gas mileage of mid-sized sedans not using the new tires. the automotive manufacturer should perform a hypothesis test to one-sided, analyze a change in a single population two-sided, analyze a change in a single population one-sided, compare two populations two-sided, compare two populations
Answers: 3
Mathematics, 21.06.2019 16:20
The lengths of nails produced in a factory are normally distributed with a mean of 4.91 centimeters and a standard deviation of 0.05 centimeters. find the two lengths that separate the top 4% and the bottom 4%. these lengths could serve as limits used to identify which nails should be rejected. round your answer to the nearest hundredth, if necessary.
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Is the square root of 4 plus the square root of 16 rational?
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Mathematics, 21.06.2019 18:50
The random variable x represents the number of phone calls an author receives in a day, and it has a poisson distribution with a mean of 8.7 calls. what are the possible values of x
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Mathematics, 21.06.2019 19:50
What is the solution to the equation below? 3/x-2+6=square root x-2 +8
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An automotive manufacturer has developed a new type of tire that the research team believes to incre...
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