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question a batch of 100 steel rods passes inspection if the average of their diameters falls between 0495 cm and 0505
question suppose that only 60 of all drivers wear seat belts at all times in a random sample of 500 drivers let x
question a machine manufactures tires with a tread thickness that is normally distributed with mean 10 millimeters mm
question items produced in assembly line a are defect free with probability 09 and those produced in assembly line b
question two forces of 100 lb each act on a body at an angle of 120deg with each other find the resultant in magnitude
question import the bear data into r with the r command brreadtablebearsdatatxt headert and form a data frame
question select two products from a batch of 10 containing three defective and seven non-defective products let x 1 or
question in an accelerated life testing experiment different batches of n equipment are operated under different stress
question suppose that 60 of the supply of raw material kits used in a chemical reaction can be classified as recent 30
question an extensive study undertaken by the national highway traffic safety administration reported that 17 of
question the life span of an electrical component has the exponential distribution with parameter lambda 0013 let x1
question a system consists of components a and b connected in parallel suppose the two components fail independently
question in a typical week a person takes the bus five times in the morning and three times in the evening suppose the
question the lifespan of a car battery averages six years suppose the battery lifespan follows an exponential
question the number of wrongly dialed phone calls you receive can be modeled as a poisson process with the rate of one
question use the r command setseed111 histrexp10000 breaks35 freqf to generate a sample of size 10000 from the
question the yield strength ksi for a36 steel is normally distributed with micro 43 and sigma 45a what is the 25th
question the mean weight of frozen yogurt cups in an ice cream parlor is 8 oz suppose the weight of each cup served is
question the resistance for resistors of a certain type is a random variable x having the normal distribution with mean
question admission officers in colleges a and b use sat scores as their admission criteria sat scores are normally
question the finished inside diameter of a piston ring is normally distributed with a mean of 10 cm and a standard
question let x be the random variable that counts the number of events in each of the following casesa the number of
question suppose that six of the 15 school buses in a particular school district have developed a slight defect since
question suppose that 30 of all drivers stop at an intersection having flashing red lights when no other cars are