Managerial Statistics

1. The existence of lengths of aluminum-coated steel canvass is popularly distributed with a regard as of 30.05 inches and a shopworn deviation of 0.2 inches. What is the fortune that a sheet selected at hit-or-miss will be less than 29.75 inches unyielding? (Points : 5) .8944 .1056 .9332 .0668| 2. The population of lengths of aluminum-coated steel sheets is normally distributed with a sozzled of 30.05 inches and a standard deviation of 0.2 inches. What is the probability that a sheet selected at random from the population is between 29.75 and 30.5 inches long? (Points : 5) .4332 .4878 .0546 .9210| 3. During the past half a dozen months, 73.2% of US households purchased sugar. Assume that these expenditures are approximately normally distributed with a blind drunk of $8.22 and a standard deviation of $1.10. Find the probability that a household washed-out less than $5.00. (Points : 5) .9983 0.000 1.00 0.0017| 4. During the past sixer months, 73.2 % of US households purchased sugar. Assume that these expenditures are approximately normally distributed with a mean of $8.22 and a standard deviation of $1.10. What proportion of the households spent between $5.00 and $9.00? (Points : 4) .7611 .7628 .0017 .7594 | 5.

The population of lengths of aluminum-coated steel sheets is normally distributed with a mean of 30.05 inches and a standard deviation of 0.2 inches. A sample of 4 metal sheets is randomly selected from a batch. What is the probability that the bonny length of a sheet is between 30.25 and 30.35 inches long? (Points : 4) .9773 .0227 .0386 .0215| 6. The chief apothecary for a major oil/ gas pedal production familiarity claims that the fixture unlead! ed gasoline produced by the company contains on comely 4 ounces of a certain ingredient. The chemist unless states that the dispersal of this ingredient per gallon of regular unleaded gasoline is normal and has a standard deviation of 1.2 ounces. What is the probability of determination an average in excess of 4.3...If you want to get a expert essay, order it on our website: OrderEssay.net

If you want to get a full information about our service, visit our page: write my essay