Determine the speed of cyclist at the constant speed
The cyclist bikes at the constant speed for 24 miles. He then returns home at same speed but takes the different route. His return trip takes one hour longer and is 29 miles. Determine his speed?
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The child drops the ball from bridge. Ball strikes water under bridge 2.0 seconds later. Determine velocity of ball when it strikes water?
Two cars start together and travel in same direction, one going twice as fast as other. At the end of three hours, they are 96 miles apart. How fast is every car traveling?
The plane flying with wind went 600 miles in 3 hours. Return trip, flying against wind took 4 hours. Determine rate of plane in calm air and rate of wind.
The mean breaking strength of yarn employed in manufacturing drapery material is needed to be at least 100 psi. Past experience has indicated that the standard deviation of breaking strength is 2 psi. A random sample of nine specimens is tested, a
The cyclist bikes at the constant speed for 24 miles. His return trip takes one hour longer and is 29 miles. Determine his speed?
This time boats pass each other when they are 400 meters from nearest shore. Suppose that each of boats travels at same speed in both directions, how wide is lake between two ferry docks?
Test the hypothesis that variance is not 18 (mg)2 if random sample of n=10 cans yields sample standard deviation of s=4 mg, using a fixed-level test with a=0.05. State any necessary assumptions regarding the underlying distribution of data. Determ
An insurance policy covers the loss which is uniformly distributed upon [0,1000]. There is $100 deductable on the policy. (So the company pays any amount over $100) What is the expected payment of a claim?
The Junior Verification Engineer takes one hour longer to fix bug (in the code) than it takes Senior Engineer. If they can fix bug in 5 hours working together, how long would it take every Engineer to finish task by themselves?
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