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##### Strayer MAT540 quiz 1

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Question;Question 1If variable costs increase, but price and fixed costs are held constant, the break even point will decrease.AnswerTrueFalse2 points Question 2Probabilistic techniques assume that no uncertainty exists in model parameters.AnswerTrueFalse2 points Question 3In general, an increase in price increases the break even point if all costs are held constant.AnswerTrueFalse2 points Question 4Parameters are known, constant values that are usually coefficients of variables in equations.AnswerTrueFalse2 points Question 5A continuous random variable may assume only integer values within a given interval.AnswerTrueFalse2 points Question 6A binomial probability distribution indicates the probability of r successes in n trials.AnswerTrueFalse2 points Question 7If events A and B are independent, then P(A|B) = P(B|A).AnswerTrueFalse2 points Question 8A bed and breakfast breaks even every month if they book 30 rooms over the course of a month. Their fixed cost is $4200 per month and the revenue they receive from each booked room is $180. What their variable cost per occupied room?Answer$30$40$48$622 points Question 9EKA manufacturing company produces Part # 2206 for the aerospace industry. Each unit of part # 2206 is sold for $15. The unit production cost of part # 2206 is $3. The fixed monthly cost of operating the production facility is $3000. How many units of part # 2206 have to be sold in a month to break-even?Answer166.672002505002 points Question 10If the price increases but fixed and variable costs do not change, the break even pointAnswerdecreasesincreasesremains the samemay increase or decrease, depending on sales2 points Question 11A university is planning a seminar. It costs $3000 to reserve a room, hire an instructor, and bring in the equipment. Assume it costs $25 per student for the administrators to provide the course materials. If we know that 20 people will attend, what price should be charged per person to break even?Answer1001201501752 points Question 12In a binomial distribution, for each of n trials, the eventAnswertime between trials is constantalways has the same probability of occurringresult of the first trial influence the next trialtrials are continuous2 points Question 13The expected value of the standard normal distribution is equal toAnswer012None of the above2 points Question 14The area under the normal curve represents probability, and the total area under the curve sums toAnswer012None of the above2 points Question 15A production process requires a fixed cost of $50,000. The variable cost per unit is $25 and the revenue per unit is projected to be $45. Find the break-even point.Answer2 points Question 16Administrators at a university are planning to offer a summer seminar.The costs of reserving a room, hiring an instructor, and bringing in the equipment amount to $3000.Suppose that it costs $25 per student for the administrators to provide the course materials. If we know that 20 people will attend, what price should be charged per person to break even?Note:please report the result as a whole number, rounding if necessary and omitting the decimal point.Answer2 points Question 17Administrators at a university will charge students $158 to attend a seminar. It costs $2160 to reserve a room, hire an instructor, and bring in the equipment. Assume it costs $50 per student for the administrators to provide the course materials. How many students would have to register for the seminar for the university to break even?Note: please report the result as a whole number, omitting the decimal point.Answer2 points Question 18An inspector correctly identifies defective products 90% of the time. For the next 10 products, what is the probability that he makes fewer than 2 incorrect inspections?Note: Please report your answer with two places to the right of the decimal, rounding if appropriate.Answer2 points Question 19An automotive center keeps tracks of customer complaints received each week. The probability distribution for complaints can be represented as a table (shown below). The random variable xi represents the number of complaints, and p(xi) is the probability of receiving xi complaints.xi0123456p(xi).10.15.18.20.20.10.07 What is the average number of complaints received per week?Note: Please report your answer with two places to the right of the decimal, rounding if appropriate.Answer2 points Question 20Employees of a local company are classified according to gender and job type. The following table summarizes the number of people in each job category.Male (M)Female (F)JobAdministrative (AD) 110 10Salaried staff (SS) 30 50Hourly staff (HS) 60 40 If an employee is selected at random, what is the probability that the employee is female or works as a member of the administration?Answer

Paper#60524 | Written in 18-Jul-2015

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