9. (a) A contractor employs three types of workers-male, female and children.To a male he pays Rs. 300 per day, to a female worker Rs. 250 per day and to a childworker Rs. 140 per day. What is the average wage per day paid by the contractor?

Answered: Image /qna-images/answer/bf7a8a5a-21df-4cfd-9d05-93e4e3db0c38.jpg

Answered: 9. (a) A contractor employs three types…

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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22. You can purchase a pound of cleaned romaine lettuce for $1.69. You can also purchase 1 whole head of uncleaned romaine lettuce for $0.99. The whole head of romaine lettuce weighs 24 ounces. The yield percent on romaine lettuce is 75 percent. What is the difference in the cost per pound between these two forms of romaine lettuce? Are there any other considerations that need to be taken into account when choosing between cleaned and uncleaned romaine lettuce?
14. Four scales of measurement were introduced in this chapter: nominal, ordinal, interval, and ratio. a. What additional information is obtained from measurements on an ordinal scale compared to measurements on a nominal scale? b. What additional information is obtained from measurements on an interval scale compared to measurements on an ordinal scale? c. What additional informetion is obtained from measurements on a ratio scale compared to measurements on an interval scale?
4. A company has a total of 500 light bulbs that are 100 watts each. The cost for electricity is 0.18 cents per kilowatt-hour. If all the bulbs are on 24 hours a day for 30 days, how much will the cost be?
1.) Below are prices per gallon of regular gasoline at various Shell and Mobil gas stations. Shell: $3.34 $3.56 $3.90 $4.01 $4.12 $3.36 $3.59 Mobil: $23.24 $3.25 $3.99 $3.99 $4.33 $2.99 $3.23 $2.90 $3.56 $3.12 At a= 0.01, test the claim that these two gas chains have the same average gas prices. a.) Use a hypothesis test b.) Use an appropriate confidence interval 1a.) H0: ______________________ H1: ___________________ t= ________________ P-value __________________ Conclusion: _________________________________ b.) t a/2 = ____________________ CI: ____________________________ Conclusion: ___________________________________________
2. Lisa and Mike are partners in a business. The income that the business earns is divided between Lisa and Mike in a 2:3 ratio respectively. Their business earned an income of $250,000 this year. How much will Lisa receive? 3. Trisha and Michael decided to start a business. They decided that Trisha will work at the store full time and Michael will work half time. Trisha and Michael's workload expressed as a ratio respectively would be: 7. The Elegant Farmer grocery store buys bushels of apples each week. Calculate the weighted average price paid per bushel based on the following information for the month of June: Week Number of Bushels Price Per Bushel Total Cost 1 250 1.22 305.00 2 150 1.41 211.50 3 143 1.38 197.34 4 194 1.27 246.38 Total 737 960.22 $
4. A pipeline is to be run to a resort community which is on an island 10 miles from the closest point on the shoreline. The water source for the pipe is 20 miles down the shore. If it costs $500/mile to lay pipe through water and $300/mile to lay pipe on land, at what point on the shoreline should the pipe turn into the water to minimize cost? What is the total cost? (see diagram) Island Pipeline Shoreline Water Source

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9. (a) A contractor employs three types of workers-male, female and children. To a male he'pays Rs. 300 per day, to a female worker Rs. 250 per day and to a child worker Rs. 140 per day. What is the average wage per day paid by the contractor?