# DIBM 0122 RESIT.doc - DIBM 0122 CHUKA UNIVERSITY UNIVERSITY...

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DIBM 0122CHUKAUNIVERSITYUNIVERSITY EXAMINATIONSEXAMINATION FOR THE AWARD OF DIPLOMA IN PROCUREMENT ANDLOGISTICS MANAGEMENT, DIPLOMA IN ACCOUNTANCY AND DIPLOMA INBUSINESS MANAGEMENTDIBM 0122: BUSINESS MATHEMATICS 2STREAMS: DIPLOMA DIBM, DIAC& DPLM Y1S2TIME: 2 HOURSDAY/DATE: MONDAY 01/11/20212.30 P.M. – 4.30 P.M.INSTRUCTIONS:Answer question ONE and any other two questions.Do not write on the question paper.QUESTION ONEa)Define the following concepts as applied in business mathematicsi)Equiprobable events(2 marks)ii)Sample point(2 marks)iii)Sample space(2 marks)b)A firm has analyzed its operating condition prices and costs and have developed thefollowing total revenue and total cost functionsTR = 400q -4?2 andTC =?2+ 10Q + 30 Where?is the number of units produced and sold.Requiredi)What quantity should be sold so as to maximize profit(4 marks)ii)What would be the price at the profit maximization level(3 marks)c)Pharmaco hospital is administering Covid-19 vaccines from three suppliers; Pfizer,Moderna and Janssen. The vacine is administered based on the client’s preferenceamong the three suppliers. On a particular day the hospital administer vaccines fromthe three suppliers comprising of 25%, 40% and 35% from Pfizer, Moderna andPage

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probability tree diagram