Determine speed of police cruiser
The police cruiser on the highway chase passes Luther in the pickup truck. Policeman drives 18 MPH faster that Luther. In same time that Luther drives 10 miles policeman drives 13 miles. Determine speed of police cruiser?
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The Jones family drove to Disneyland at 50mph and returned on similar route at 40mph. Determine distance to Disneyland if th total driving time was given as 7.2hrs.
The object is thrown down from top of the building 1280 ft tall with initial velocity of 32 ft per second. Distance s(in feet) of object from ground after t seconds is s=1280-32t-16t^2.
The full-time student body of college is composed of 50% males and 50% females. Does random sample of students (30 male, 20 female) from introductory chemistry course show sufficient evidence to reject hypothesis that the proportion of male and of
The modulus of rupture (MOR) for a particular grade of pencil lead is known to have a standard deviation of 250 psi. Process standards call for a target value of 6500 psi for the true mean MOR. For each batch, an inspector tests a random sample of
Policeman drives 18 MPH faster that Luther. In same time that Luther drives 10 miles policeman drives 13 miles. Determine speed of police cruiser?
Assume that the mean score on a certain aptitude test across the nation is 100, and that the standard deviation is 20 points. Determine the probability that the mean aptitude test score for a randomly selected group of 150 8th graders is between 9
He flew home same day with same wind at his back. Round trip took ten hours of flying time. If plane makes 100 mph in still air, how far is storage facility from the office.
Suppose that a sample is drawn and z(?/2) = 1.65 and ? = 25. Answer the following questions: If the Maximum Error of Estimate is 0.04 for this sample, what would be the sample size? Given that the sample Size is 400 with this same z(?/2) and ?, what
From Darryl's house, two of them ride in the ca to work at 45 miles per hour. If Angelina takes exactly 1 hour to travel 27 miles from the house to work, how many miles she rode the bicycle?
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