Determine rate of plane in still air against wind
With wind, the airplane travels 2200 miles in four hours. Against wind, it takes five hours to travel 2350 miles. Determine rate of plane in still air.
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Twice as much will be invested at 4.5% as at 8%, and total interest earned first year needs to be $10,400. How much must be invested at every rate?
With the perfectly balanced roulette wheel, in long run, red numbers must turn up 18 times in 38. To test its wheel, one casino records the results of 3,800 plays determining 1890 red numbers. Is that too many reds? Or chance variation?
The tugboat pushing the barge up Ohio River takes 1 hour longer to travel 36 miles up river than to travel same distance down river. If rate of current is 3 mph, determine speed of tugboat and barge in still water.
Determine the entire system of policies, procedures, and guidelines established by an organization to achieve and maintain quality called?
On the island fisherman catches 200 fish for 10 days, 100 fish for 15 days and 250 fish for 5 days. Find average number of fish caught in the thirty days.
In an air pollution study performed at the experiment station, the following amount of suspended benzene-soluble organic matter. (in micrograms per cubic meter) was obtained for the 8 different samples of air:
The wearout of mileage of a Sparky All Weather tire is normally distributed with a mean of 33000 miles and a standard deviation of 2600 miles.
Compute p value for the two sided exact binomial test. Compute p value of two sided exact binomial test, utilizing distance approach and then again with probability approach.
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