Engineering, 12.12.2019 03:31 pnicetgodp3bqss
Sales delay is the elapsed time between the manufacture of a product and its sale. according an article it is quite common for investigators to model sales delay using a lognormal distribution. for a particular product, the cited article proposes this distribution with parameter valuesμ = 2.07 and σ2 = 0.06 (here the unit for delay is )what are the variance and standard deviation of delay time? (round your answers to two decimal places.) variance months2 standard deviation months(b)what is the probability that delay time exceeds 12 months? (round your answer to four decimal )what is the probability that delay time is within one standard deviation of its mean value? (round your answer to four decimal )what is the median of the delay time distribution? (round your answer to two decimal places.)months(e)what is the 99th percentile of the delay time distribution? (round your answer to two decimal places.)months(f)among 10 randomly selected such items, how many would you expect to have a delay time exceeding 8 months? (round your answer to three decimal places.)items
Answers: 3
Another question on Engineering
Engineering, 04.07.2019 18:20
Along 8-cm diameter steam pipe whose external surface temperature is 900c connects two buildings. the pipe is exposed to ambient air at 70c with a wind speed of 50 km/hr blowing across the pipe. determine the heat loss from the pipe per unit length. (b) air at 500c enters a section of a rectangular duct (15 cm x 20 cm) at an average velocity of 7 m/s. if the walls of the duct are maintained at 100c. a) the length of the tube for an exit temperature of the air to be 40 0c. b)the rate of heat transfer from the air. c) the fan power needed to overcome the pressure drop in this section of the duct.
Answers: 1
Engineering, 04.07.2019 18:20
Aheavily insulated piston-cylinder device contains 0.02 m3 of steam at 300 kpa and 200 °c. 1.2 mpa. d this process. team is now compressed in a reversible manner to a pressure of etermine the entropy change and the work done on the steam during this process
Answers: 1
Engineering, 04.07.2019 18:20
Amixture of slurry and mud is to be pumped through a horizontal pipe of diameter 500 mm. the fluid behaves as a bingham plastic with a yield stress of 30 pa and viscosity 0.04 pa.s. describe the effects of the shear stress through a transverse section of the pipe by plotting the variation in shear stress and velocity profile: (i) just before the slurry starts to move (ii) as the slurry flows when the pressure gradient is double that in part (i)
Answers: 3
Engineering, 04.07.2019 19:20
Asimple speed reducer is composed of 2 spur gears. the pinion gear has a pitch diameter of 0.75" and 36 teeth while the driven gear has a pitch diameter of 4.0" and 192 teeth. a)-what is the diametral pitch of each gear? b)-if an electric motor rotating ccw at 3000 rpm is coupled to the pinion, what is the rotational speed of the driven gear? c)-if the torque delivered to the pinion is 1 n-m, what is the torque on the driven gear? d)-what is the power transmitted by the gear train?
Answers: 1
You know the right answer?
Sales delay is the elapsed time between the manufacture of a product and its sale. according an arti...
Questions
Computers and Technology, 25.12.2019 05:31
