Determine quadratic function satisfying given conditions
Determine quadratic function satisfying given conditions. Graph passes through origin, and the vertex is point (8, 8). What do h and k stand for in general equation y = a(x - h)2 + k?
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Scores on aptitude test are distributed with mean of 220 and standard deviation of 30. The shape of distribution is unspecified. Determine the probability that the sampling error made in determining the population mean by mean of random sample of
Origin of beam is 35 feet from circle. At what angle of elevation must beam be aimed to make sure that it goes through hole?
Select appropriate rectangular coordinate axes and determine equation of parabola. Then find height of arch at points 10 ft, 20 ft, and 40 ft from center.
The ball is hit into air. Its height, s, at time t, is provided by equation s(t)=-16t^2+62 t+4. Find maximum height of ball. Round to the nearest foot.
A college statistics professor has office hours from 9am to 10:30am daily. A sample of waiting time to see professor(in minutes) is 10,12 20, 15, 17, 10, 30, 28,35, 28, 19, 27, 25, 22, 33, 37, 14, 21, 20, 23. Supposing standard deviation is 7.84,
A survey revealed amount of pocket money held by each student in sample of students from statistics 205. The amounts (in dollars) are 5.50, 10.20, 3.15, 6.08, 4.85, 4.80, 4.70, 8.52, 7.90, 6.10, 3.50, 5.40, 7.10, 9.60, 6.20, 4.28. Supposing standa
If the object is projected upward from ground level with the initial velocity of 32 ft. per second, then it's height in feet after t seconds.
A sociaologist develops test to determine attitudes regarding public transport. 27 randomly chosen subjects are given the test. Their mean score is 76.2 and their standard deviation is 21.4. Develop the 95% confidence interval for the mean score o
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