What proportion of shafts conforms to specifications
The diameter of a shaft is normally distributed with mean 0.2508 inch and standard deviation of 0.0008 inch. The specifications on the shaft are 0.2500 plus or minus 0.0016 inch. what proportion of shafts conforms to specifications?
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In the past, the mean processing time was 45days.At the 0.05 level of significant, is there evidence that the mean processing time has changed from 45days?
If Y is a random variable that has an F distributions with v1 numerator and v2 denominator degrees of freedom, show that U=1/Y has an F distributions with v2 numerator and v1 denominator degrees of freedom.
Assuming the business maintains a perpetual inventory system, complete the inventory cards and calculate the cost of merchandise sold and ending inventory under the following assumptions?
Underwood COmpany purchased a machine on January 2, 2013, for $1,000,000. The machine has an estimated useful life of five years and a salvage value of $100,000.
The specifications on the shaft are 0.2500 plus or minus 0.0016 inch. what proportion of shafts conforms to specifications?
Leslie Manufacturing Company purchased land adjacent to its factory for the installation of a holding area for equipment. Expenditures by .company were as follows: purchase price, $323,500; paving
Complete the inventory cost card assuming the business maintains a perpetual inventory system and calculates the cost of merchandise sold and ending inventory using LIFO.
Dr. Steve Rosenthal has his own medical practice. He specializes in the treatment of diabetics. His staff consists of a receptionist, two nurses, a lab technician, and a dietitian.
If a sample of 1,000 chips is tested, what is the approximate probability that fewer than 200 chips will be defective?
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