# saint mba550 Week 1 assignment

August 14, 2017

Chapter 1Question2The Retread Tire Company recaps tires. The fixed annual costof the recapping operation is \$ 60,000. The variable cost ifrecapping tires is \$9. The company charges \$25 to recap atire.a) For an annual volume of 120,000 tires, determine the totalcost, total revenue, and profit.b) Determine the annual break-even volume for the Retread TireCompany operation.Problem 4Evergreen Fertilizer Company produces fertilizer. thecompany’s fixed monthly cost is \$25, 000 and its variable cost perpound of fertilizer is \$0.15. Evergreen sells the fertilizer for\$0.40 per pound. Determine the monthly break-even volume for thecompany.Chapter 2Problem 10A large research hospital has accumulated statistical data on its patients for an extended period. Researchers have determined that patients who are smokers have an 18% chance of contracting a serious illness such as heart disease, cancer, of emphysema, whereas there is only a .06 probability that a nonsmoker will contract a serious illness. From hospital records, the researchers know that 23% of all hospital patients are smokers, while 77% are nonsmokers. For planning purposes, the hospital physician staff would like to know the probability that a gives patient is a smoker if the patient has a serious illness.Problem 12the senate consist of 100 senators, of whom 34 are republicans and 66 are democrats. A bil to increase appropriations is before the senate. thirty-five percent of the democrats and 70% of the republicans favor the bill. the bill needs a simple majority to pass. using a probability tree, determine the probability that the bill will pass.Problem 14A metropolitan school system consists of three districts â north, south, and central. The north district contains 25% of all students, the south district contains 40% of all students, and the central district contains 35%. A minimum competency test was given to all students. 10% of the north district students failed, 15% of the south district students failed, and 5% of the central district students failed.A – develop a probability tree showing all marginal, conditional, and joint probabilitiesB – develop a joint probability table.C – What is the probability that a student selected at random failed the test

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