Hypothesis testingThe average take home pay of tricycledrivers in leyte is said to be at least equalor more than the Philippine minimumwage which is P537. A sample of 16tricycle drivers were asked about theirminimum wage. The result was theiraverage take home pay is P320 with astandard deviation of P30. Is there enoughevidence to say that the average takehome pay of tricycle drivers in Leyte is lessthan the minimum wage?

population mean μ=537, sample size n=16, sample mean x̄=320, sample standard deviations s=30

Answered: Hypothesis testing The average take…

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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Happy Cruise lines provides vacations for customers to various Caribbean destinations .The mean number of passengers ,one per cabin, per cruise is 300 with a standard deviation of 40 .The ship used for the trips has 400 cabins .The Normal Distribution is assumed. a) What percent of the trips is sold out(sell all 400 cabins) ? b) The cruise line must sell 275 cabins to break even on a trip .On what percent of the trips does the cruise line make money ? c) On what percent of the trips does the cruise line lose money ? d) The cruise company would like to reduce the number of ship attendants on 15 % of the cruises. This will be done on the ships with the fewest passengers. Below what number of passengers on a trip will the cruise line reduce the number of ship attendants ?
10. Angler magazine is seeking a representative sample of outdoor recreational enthusiasts to conduct a survey of its subscribers’ recreational plans for the next fishing season.On average, the population mean number of fishing days for subscribers is 21.6 days per season with a population standard deviation of 30.2 days. If Angler collects a sample of 56 respondents, what is the chance that the sample mean would be more than than 17 days per season?
What is the standard deviation of Kern County that consist of 896,764 people and has 95,466 covid cases?
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4. What is the mean number of available computers at noon on Monday? 5. What is the standard deviation of the number of available computers at noon on Monday?
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The international surfing association interested in determining the number of potential locations for competitions. They have requirements of at least 25 surfable waves per hour during peak surf hours. To find acceptable locations, they had members all over the world submit data from their local beach. The locations had a mean of 32 waves per hour and a standard deviation of 4 waves per hour. What percentage of beaches meet the requirement to be selected by the ISA?
The U.S Navy requires that fighter pilots have heights between 64 inches and 74 inches. The Men’s are normally distributed with a mean of 68.6 inches andthe standard deviation of 2.8 inches. a) Find the percentage of men meeting the height requirement b) If the Air Force height requirements are changed to exclude only the tallest 4% and the shortest 4% of men, what are the new height requirements?
36. Packages of Lay's Potato Chips have a population standard deviation of 0.16 ounces. An SRS of 100 bags of Lay's Potato Chips have a sample mean of 18.024 ounces. What is the Standard Error for the average weight of the bags of Lay's Potato Chips ?
The number of orders received daily by an online vendor of used CDs is normally distributed with mean 240 and standard deviation 16. The company has to hire extra help or pay overtime on those days when the number of orders received is 264 or higher. What percentage of days will the company have to hire extra help or pay overtime? Click the icon to view the standard normal distribution table. The company will have to hire extra help or pay overtime on % of days.
We have the number of recorded children from 20 randomly selected barangays in the Philippines to help us estimate the number of Filipino children aged 12- 23 months who did not receive any vaccinations appropriate for their age. 16, 22, 26, 31, 45, 18, 24, 26, 34, 46, 19, 24, 27, 35, 55, 19, 25, 28, 37, 58 A. Can we compute for the population standard deviation? B. If yes, what is the population standard deviation? Use the computational formula. If no, why not? C. Can we compute for the sample standard deviation? D. If yes, what is the sample standard deviation? Use the computational formula. If no, why not?

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