to a new home. Try improved2. Suppose that a baseball player is in a batting cage taking practice from an automatic pitching machine. ketch (The back of the cage is 5 m wide and 3 m tall. The machine malfunctions and starts shooting balls at arate of 4 balls/second, randomly distributed throughout the cage. The batter freaks out and justfreezes presenting a cross-section of 0.75 m² to the machine. How long does it take before it is likelythat he is hit by a ball?

Answered: Image /qna-images/answer/df436535-1609-420f-a94c-c9f39a1de520.jpg

Answered: improved 2. Suppose that a baseball…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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A train is required to run between two stations 1.5 km apart at a schedule speed of 36 km/h. The duration of stops being 25 seconds. The braking retardation is 3 km/h/s. Assuming a trapezoidal speed time curve. Calculate the acceleration if the ratio of maximum speed to average speed is to be 125.
Suppose you have a rubber disk with two holes and you glue a tube from one hole to another. Is that object equivalent by distortion to an inner tube with a puncture? Explain why or why not.
A train is required to run between two stations 1.8 km apart at a schedule speed of 36 km/h, the duration of stops being 25 seconds. The braking retardation is 2.5km/h/s. Assuming d trapezoidal speed/time curve, calculate the acceleration if the ratio of maximum speed to average speed is to be 1.29
We are designing a poster to contain 250 cm2 of printing with a 1-centimeter wide margin at the top and bottom and a 4-centimeter wide margin at each side. What overall dimensions will minimize the amount of paper used? horizontal length of printed area: centimeters vertical length of printed area: centimeters
E Valunte theintegral.
7. Calculate the % approximate error relative to the true value of the area of a trapezoidal lot whose longer base is 12 m longer than the shorter base which is 10 m, and height of 20 m. There is no height deviation while each base is deviated 0.05 m below the value of each base. А. -0.5454% C. -0.3125% В. 0.4545% D. -0.2273%
A student is concerned with the amount of air pollution students are exposed to in the school's parking lot after school. The student conducts an investigation to compare the quantity of particulate matter released from the diesel-powered buses, natural gas-powered buses, and the large and small cars as they idle waiting to pick up students. To make measurements, a small piece of white fabric is used to collect particulate matter from the tailpipe of each vehicle as it idles for five minutes. Each piece of fabric is then analyzed to measure the amount of particulate matter it collected. (i) Identify the independent variable in the investigation. (j) Identify one variable that was not mentioned in the description that could affect the results of the investigation. (k) Describe a realistic alternate sampling method to collect particulate matter from the vehicles in the investigation. (1) The student wants to ensure that the results are reliable. Explain how the student could modify the…
3. A section of highway has vertical and horizontal curves with the same design speed. A vertical curve on this highway connects a +1% and a +3% grade and is 420 ft long. If a horizontal curve on this highway is on a two-lane section with 12-ft lanes and has a central angle of 37 degrees and a superelevation of 6%, what is the length of the horizontal curve?
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