Regent Airways is one of the premium private airline companies in Bangladesh. In a recent survey it was found that the average hourly wages of Regent Airways maintenance crew members is Tk. 99, with a standard deviation of Tk. 20. Assume that the hourly wages of maintenance crew members follow a normal distribution. a. What is the probability that a randomly selected crew member earns more than Tk. 63 per hour? Answer in exact fraction, or rounded to at least 4 decimal places. b. What is the probability that a randomly selected crew member earns between Tk. 44 and Tk. 150 per hour? Answer in exact fraction, or rounded to at least 4 decimal places. c. Junior crew members are considered for promotion after their hourly wages cross a certain threshold. What should the threshold wage be if Regent Airways does not want to promote any more than 87.39% of junior crew members? Answer in exact fraction, or rounded to at least 2 decimal places. Taka

Regent Airways is one of the premium private airline companies in Bangladesh. In a recent survey it was found that the average hourly wages of Regent Airways maintenance crew members is Tk. 99, with a standard deviation of Tk. 20. Assume that the hourly wages of maintenance crew members follow a normal distribution. a. What is the probability that a randomly selected crew member earns more than Tk. 63 per hour? Answer in exact fraction, or rounded to at least 4 decimal places. b. What is the probability that a randomly selected crew member earns between Tk. 44 and Tk. 150 per hour? Answer in exact fraction, or rounded to at least 4 decimal places. c. Junior crew members are considered for promotion after their hourly wages cross a certain threshold. What should the threshold wage be if Regent Airways does not want to promote any more than 87.39% of junior crew members? Answer in exact fraction, or rounded to at least 2 decimal places. Taka

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Regent Airways is one of the premium private airline companies in Bangladesh. In a recent survey it was found that the average hourly wages of Regent
Airways maintenance crew members is Tk. 99, with a standard deviation of Tk. 20. Assume that the hourly wages of maintenance crew members follow a
normal distribution.
a. What is the probability that a randomly selected crew member earns more than Tk. 63 per hour?
Answer in exact fraction, or rounded to at least 4 decimal places.
b. What is the probability that a randomly selected crew member earns between Tk. 44 and Tk. 150 per hour?
Answer in exact fraction, or rounded to at least 4 decimal places.
c. Junior crew members are considered for promotion after their hourly wages cross a certain threshold. What should the threshold wage be if Regent
Airways does not want to promote any more than 87.39% of junior crew members?
Answer in exact fraction, or rounded to at least 2 decimal places.
Taka

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