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Two car models are tested for a difference in average gas mileage. Ten cars of Model A averaged 32.1 miles per gallon with a standard deviation of 5.2 mpg. Twelve cars of Model B averaged 35.5 mpg with a standard deviation of 4.4 mpg. Calculate a 95% con- fidence interval for the difference between the two cars' mileage. There is no evidence to suggest the variances of the populations are equal. Explain your findings.
train A travels at a speed of 40mph and train B travels at a speed of 60mph. Train A passes the station at 1:25, at what time will train a catch up to train B
Assume Jim had executed 15 "Splits" before his last split of 20 seconds. If his eventual time in the road race is 4:05 , what was the average time for one of his earlier splits?
Explain the assignment model and how it facilitates in solving transportation problems. What benefits would be gained from using this model?
whiich is $3,984 cheaper than the first car. she also decides she only wants to wait one more year to buy her car.w much money will Ann need to save each month during the final year in order to buy her new dream car?
That is, the next ten feet will cost $125; the next ten feet will cost $150, etc. How much will it cost to build a 90-foot tower?"
What is the probability that none selected is a woman? Enter your answer with 3 decimal places.
Using trigonometry to solve a Right triangle - Find the width of the lake.
How do you find the probability distribution of a random sample from a known population?
Artic Antifreeze is 18% alcohol and Frost-No-More is 10% alcohol. How many liters of Artic Antifreeze should be mixed with 7.5L of Frost. ... should be mixed with 7.5L
Can you use algebra to find a quadratic equation if you know the coordinates of just one point on its graph?
the relationship between the respondent’s education educ & the education received by his or her father, paeduc {only an SPSS solution will be accepted}.
Find three consecutive integers whose sum of their squares is 194. Write an equation, and solve the equation.
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