Determine height of water tower
The angle of elevation from the point A on ground to top of water tower is 19.9 degrees. Point B, 50 feet closer, has the angle of elevation of 21.8 degrees. Determine height of water tower?
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) Rock reaches 8 feet above creek half second after child throws it, and then begins to fall. This is vertex of parabola describing rocks height. Find coordinates of vertex in terms of (time, height)?
Supposing that the distribution of entertainment expenses is approximately normally distributed, calculate estimates of tolerance intervals containing 68.26 percent, 95.44 percent, and 99.73 percent of all entertainment expenses by the sales force
In your own line of work, provide one example of discrete and one example of a continuous random variable, and describe why each is continuous or discrete.
Plot zeros of f(x) you found in part (a) on the unit circle and label coordinates. Determine all zeros of f(x) State the answers in terms of z where z is integer.
Determine the null hypothesis and alternative hypothesis. Determine the test statisitic. Determine the P-value. What is the final conclusion
The propellers of Amazon Paradise have the radius of 1.2m. At full throttle propellers turn at 135rpm. Determine linear speed at tip of propeller blade in meters per seconds.
Develop both an ungrouped and a grouped frequency distribution for the data given below:
Write down a correct null and alternative hypothesis for testing the claim that mean life of battery for cell phone is at least 55 hours.
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