help me with problems 1,2,5,6

Review Problems 1. Scaffolding is to be constructed on all faces of a story building in order for major masonry rehabilitation work to be performed. The exposed surface area of the exterior walls of the building has been estimated to be 432,000 sq. ft. Historical records of the company show that for this simple type of structure, the production rate for erecting scuffolding is 0.002 hours perque foot of building surface area. If 10 workers working -hour days) are assigned to do the entire scaffolding erection, what duration in working days) should be used for this activity Round up your answer to the nearest whale integer day 2. Tiles (by can be installed at a rate of perwater hour. The floor of a large lobby artes (80%by toto bebe contracted for a building The total com A many facade consisting off wered with the tiles. If the world to this task what duration to the nearest whole day! worker hour is estimated to be $31.51, and the should be assigned to this activity! estimated cost of the labor for this task is $10.00 Asuming her work days and crew of war Historic records show that the mean duration of an how many days should be allowed to complete this activity is expected to be days with a standard devi tak? What is the production rate that the crew must tion of 24 days. What duration should be used the in to the projecte schedule and within the is to be a 95 percent confidence that the duration will budget! not be exceeded What is the probability that the date Rueden historical weather dute particular projects tion will actually exceed 10 days expected to the impacted by she weather das 4. The task of framing a building has been estimated to Ching one of the procedure described in this chapter 4 days. What duration should be there is to be tale en verage of 23 days with a standard deviation of male the appropriateloven for her wether and solve the work for the basic chesting information 90 percent confidence that the duration will not be For each activity, show the computed of early creded! What is the probability that the duration will start early finish, laterale stand actually exceed 23 days! free DG orce LO TO O2 H WO Review Problems 1. Scaffolding is to be constructed on all faces of a story building in order for major masonry rehabilitation work to be performed. The exposed surface area of the exterior walls of the building has been estimated to be 432,000 sq. ft. Historical records of the company show that for this simple type of structure, the production rate for erecting scuffolding is 0.002 hours perque foot of building surface area. If 10 workers working -hour days) are assigned to do the entire scaffolding erection, what duration in working days) should be used for this activity Round up your answer to the nearest whale integer day 2. Tiles (by can be installed at a rate of perwater hour. The floor of a large lobby artes (80%by toto bebe contracted for a building The total com A many facade consisting off wered with the tiles. If the world to this task what duration to the nearest whole day! worker hour is estimated to be $31.51, and the should be assigned to this activity! estimated cost of the labor for this task is $10.00 Asuming her work days and crew of war Historic records show that the mean duration of an how many days should be allowed to complete this activity is expected to be days with a standard devi tak? What is the production rate that the crew must tion of 24 days. What duration should be used the in to the projecte schedule and within the is to be a 95 percent confidence that the duration will budget! not be exceeded What is the probability that the date Rueden historical weather dute particular projects tion will actually exceed 10 days expected to the impacted by she weather das 4. The task of framing a building has been estimated to Ching one of the procedure described in this chapter 4 days. What duration should be there is to be tale en verage of 23 days with a standard deviation of male the appropriateloven for her wether and solve the work for the basic chesting information 90 percent confidence that the duration will not be For each activity, show the computed of early creded! What is the probability that the duration will start early finish, laterale stand actually exceed 23 days! free DG orce LO TO O2 H WO