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A tire manufacturer is considering a newly designed tread pattern for its all-weather tires. Tests have indicated that these tires will provide better gas mileage and longer tread life. The last remaining test is for braking effectiveness. The company hopes the tire will allow a car traveling at 60 mph to come to a complete stop within an average of 125 feet after the brakes are applied.
They will adopt the new tread pattern unless there is strong evidence that the tires do not meet this objective. The distances (in feet) for 10 stops on a test track were 129, 128, 130, 132, 135, 123, 102, 125, 128, and 130. Should the company adopt the new tread pattern?
Test an appropriate hypothesis and state your conclusion. Explain how you dealt with the outlier and why you made the recommendation you did.
Big Orange Trucking is designing an information system for use in "in-cab" communica- tions. Compute an appropriate measure of central location for the variables wind direc- tion, temperature, and pavement.
question 1 as part of his review for a chemistry test a student randomly selects without replacement 40 out of 102
a politician is concerned with winning an upcoming election. what null hypothesis is he testing if he commits a type i
What is the probability that the diameter of a single randomly chosen axle differs from the target value by 0.01 mm or more?
is there a relationship between x rate of poverty measured as percent of population below poverty level and y rates of
The mean of a normal probability distribution is 60; the standard deviation is 5.
As i study on childhood disease then my collected sample is 269 and variable include age of child. vaccination status , social condition include type of house ,monthly in come .no of rooms in house ,person living in house , type of waste disposal and..
flip a coin 3 times in a row. let x be a random variable indicating how many times heads shows up.a list all 8 ways
I tossed a coin 6 times and recorded the outcomes - H for heads and T for tails. The first set of tosses yielded HTHTTH and the second set of tosses yielded TTTHHH. Which set of tosses is more probable to happen? And why?
question 1nbspa leading manufacturer is planning to make a new production and distribution facility either in mauritius
What is the probability that a randomly selected item from the production will weigh at least 4.14 ounces (to 4 decimals)?
In a certain population, 4% of people are color blind. A subset is to be randomlychosen. How large must the subset be if the probability of its containing at least one colorblind person is at least 95%?
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